| 词汇 | block |
| 释义 | blockblock[blɔk]n.1.■一块(木头或石头等)2.■障碍物; 堵塞物3.■[美]两条街间的距离; 由四条马路围成的方形楼房区4.■一组同样的东西, 一批5.■滑车; 滑轮6.■墩, 台, 座砧板, 铁砧7.■拍卖台8.■铁路上一段有信号的路轨9.■模; 字模; 帽楦10.■[俗]头; 脑袋; 傻瓜; 软心肠的人11.■(运动中给对方)阻挡12.■木刻板13.■积木14.■尚未测量的荒僻地区15.■大宗股票16.■集团17.■(集邮)四张或四张以上连在一起, 排成长方形, 而不是排成长条的邮票18.■【无】部件; 装置, 设备19.■【地质】火山口喷出的巨大岩石⑵20.■【无】停振;【医】(心传导)阻滞 ⑵21.■粗料, 金属块 ⑵22.■大楼, 大厦; ⑵23.■字组, 分程序 ⑵24.■单元a block of wood一块木头building block积木a butcher's block砧板I live two block s from the school.我住在离学校两个路口的地方。There was a block in the pipe and the water couldn't flow away.水管里有块东西塞住了, 水流不出。 词性变化blockvt.1.■阻塞; 堵住2.■妨碍; 阻止; 阻挡3.■支撑; 用木块或石块垫衬4.■封锁5.■(以木楦)楦(帽)6.■使成块状7.■用区截制管理(铁路行车)8.■[英]对议案事先作反对宣传 His illness blocked his progress of English study. 他的病妨碍了英语学习 的进步。Blocked! (路标)此路不通!vi.1.■【体】阻挡2.■排演He doesn't get any baskets, but he sure can block.他投篮命中率不高, 但他拦篮阻挡却很有两手。The director will block this afternoon.今天午后导演将排演。blockadj.1.■做成大块的2.■(信头等)左端行首不留空格形成方块的3.■板块状的a block sum大量金额 继承用法blockbuster[ˈblɔkˈbʌstə]n.1.■[俚]巨型炸弹block-condensern.1.■阻塞(隔直流, 级间耦合)电容器, 电解电容器组blockhead[ˈblɔkhed]n.1.■傻瓜; 木制假头(橱窗陈列用)block-in-coursen.1.■细琢方石砌体blockhouse[ˈblɔkhaus]n.1.■碉堡blockship[ˈblɔkʃip]n.1.■沉没的障碍船; 仓库船block-signaln.1.■截止信号, 阻塞信号, 分段信号 习惯用语a blockin traffic1.■交通阻塞as like as two blocks1.■象极了(的)cut blocks with a razor1.■用剃刀砍木头; 用非其当; 浪费聪明才智; 想作出惊人之举dead block1.■(火车上的)缓冲板do the block1.■[澳]逛马路drawing block1.■活页画图纸go to the block1.■上断头台2.■被拍卖be sent to the block1.■上断头台2.■被拍卖in block1.■整批, 全部, 整个儿knock block off1.■[俗]笞打(某人);用拳头连续打(某人);使某人吃苦头knock sb.'s block off1.■[俗]笞打(某人);用拳头连续打(某人);使某人吃苦头lose one's block1.■[澳、新]发怒, 激动, 慌张, 焦急off one's block1.■发怒; 发疯on the block1.■正在拍卖中2.■[澳]逛闹市block in1.■堵塞, 封闭block off1.■封闭; 封锁; 阻止; 隔开block out1.■遮蔽2.■草拟(计划、大纲等), 画出(略图等) 特殊用法absolute block1.■绝对断路2.■绝对区截, 绝对闭塞abutment tool block1.■刀架挡板(车床)accident block1.■【地质】外源喷块accuracy block1.■精确块, (枪管上的)加强块active block1.■有源组件amplifier block1.■放大器组件[切能块]anchor block1.■地锚, 地下横木, 锚枕, 锚墩, 镇墩angle block1.■角铁, 弯板angle ga(u)ge block1.■量角[角度]块规angled backhand block1.■反手斜线推挡anode block1.■阳极(碳)块anode cooling block1.■阳极散热器antifriction block1.■减摩滑车anvil block1.■砧座, 砧块, 铁砧台approach-lighted colour light automatic block1.■接近亮灯色灯信号机的自动闭塞apron block1.■镇块; 护木; 挡板座arborization block1.■【医】心室内传导阻滞back-up block1.■支撑块baffle block1.■棋布式消力墩ball-bearing pillow block1.■滚珠轴承(轴)台basic block1.■基本(程序)块bearing block1.■轴承座; 承重块; 矿柱, 煤柱bench block1.■(用来打出定位销的带各种孔径的)圆板; 校正平台bending block1.■弯型块, 弯材平台bilge block1.■舭墩blank common block1.■空[无标号]共用块blast furnace block1.■高炉(大)砖boat block1.■吊艇滑车boiler mounting block1.■锅炉架座both-way block1.■双向闭塞bottom block1.■(盛钢桶)桶[包]底大块砖2.■下滑车3.■底座bracket block1.■托架垫块brake block1.■制动器闸瓦, 刹车片, 制动片brake-holder block1.■制动器闸瓦, 刹车片, 制动片breaker block1.■过负载廉价易损件2.■碎石机3.■安全臼[盒]breeze block1.■焦渣石bridge block1.■桥砖brush-off block1.■抹拦网手扣球buffer block1.■车挡bumper end block1.■(电力机车)缓冲挡端块bumping block1.■缓冲块, 车挡candle block1.■蜡烛烟黑cant block1.■翻身滑车cap block1.■(矿柱上)柱头垫木; 龙骨墩顶垫carbon refractory block1.■碳素耐火砖cargo block1.■吊货滑车case block1.■表壳座castable refractory block1.■水硬性浇灌耐火材料砌块cast-iron road paving block1.■铸铁铺路块cast test block1.■铸造试块[棒]cat block1.■吊锚滑车, 大型起锚滑车cathode block1.■阴极(碳)块cavity block1.■阴模cell block1.■单元块[组]centre plate oak block1.■中心板橡木(垫)块chafing block1.■防擦块chain block1.■链动滑轮, 牵不落, 链条滑车[葫芦]channel block1.■通路砖[砌块]chill block1.■三角[激冷]试块; 冷铁chock block1.■挡块, 垫木choke block1.■节流板chopping block1.■斩(剁)肉板, 斩肉墩closed block1.■闭锁部件clump block1.■粗笨[强厚]滑车clutch block1.■摩擦块coded automatic block1.■电码自动闭塞coiling block1.■卷筒collapsible spinning block1.■组合的旋压模combination block1.■复合影写版(版面中既有线画稿, 也有网线版稿)combination tool block1.■组合刀架comparator block1.■比色座, 比色块complete block1.■完整计划表composite block1.■线条网线混合版common block1.■公用块concrete hollow block1.■混凝土空心砖condenser block1.■电容器组[盒]conical sliding block1.■锥形滑块connecting block1.■接线板contact block1.■接点排, 接触块contact spring block1.■接点簧片组control block1.■控制块controlled block1.■已经关 闭信号的闭塞区段[区间]; 联锁[半自动]闭塞cooling block1.■冷却块cooperating block1.■联动闭塞机, 同意接车的闭塞机Corhart block1.■电熔莫来石-刚玉耐火砖, 铁砖corner block1.■转向滑车angle block1.■转向滑车count block1.■计数区countersunk lug block1.■平头带耳块counterweight block1.■平衡重滑轮coupler yoke partition block1.■车钩尾框隔板cover block1.■盖砖crank block1.■曲柄滑块, (机车的)月牙板滑块crossover block1.■(交叉线之间的)绝缘垫块crown block1.■起重定滑轮; 天车, 冠轮2.■拱顶石crucible base block1.■坩埚垫crust blocks1.■凝渣, 渣(壳)块cupola slag hole block1.■冲天炉出渣口成型砖cushion block1.■垫块cut-off block1.■(槽轮排种器的)排种量调节套, 阻塞套cutter block1.■组合铣刀cutting block1.■錾锉砧, 冲模, 冲头cylinder block1.■气缸柱, 气缸座, 气缸体damper block1.■闸板砖Darlington amplifier block1.■达林顿放大器电路方块dasher block1.■信号索滑车, 旗绳滑车, 补助帐滑车data set control block1.■数据集控制块[字组]dead block1.■(拉丝机的)固定卷筒2.■缓冲板decade block1.■十进信息组demolition block1.■【军】爆破药包design block1.■设计块detector block1.■检查块dichroic block1.■分色镜die block1.■滑块, 模块, 模具坯料, 底模differential chain block1.■蜗杆[差动]链式 滑车distance block1.■定距(隔)块distribution block1.■接线板distributor block1.■配电盘, 分电器docking block1.■(船坞)龙骨墩dog block1.■支架, (刀座)靠枕dolly block1.■(台阶的)校直样板double block1.■双阻塞部件; 双轮滑车double-deck block1.■二次拉丝机double iron pulley block1.■双轮铁滑车double sheave steel block1.■双轮钢滑车double-line automatic block1.■复线自动闭塞downthrown block1.■陷落地区森林2.■地堑(陷落地块)drawing block1.■拉(丝)模板, 拉丝卷筒dribble block1.■运球急停作定位掩护drill block1.■钻台driving block1.■传动滑块; 导[主]滑车dummy block1.■(在挤压活塞与热金属之间)挤压垫electric block1.■电动葫芦electric-driven chain block1.■电动链滑车end block1.■终端[接车, 到达]闭塞机engine block1.■发动机组[本体]entry block1.■【自】项目块equalizer block1.■均衡器功能块error block1.■错误字组, 错误块event control block1.■事件控制(程序)块expansion sliding block1.■可伸缩滑块extension hand wheel block1.■滑车组fall block1.■活动滑车fault block1.■断层石块feed block1.■给油套管feeler block1.■对刀块fibre block1.■纤维垫块filler block1.■衬块final spinning block1.■旋压成形模finishing block1.■拉细丝机2.■成品线卷筒fish block1.■吊锚滑车fixed block1.■固定滑车2.■等长字组fixed pillow block1.■固定轴台fixing block1.■受钉块fixture block1.■夹块flare block1.■护轨斜垫块flat lapping block1.■精研平台floor block1.■地板预制块flooring block1.■地板木块flue block1.■烟道砖fly block1.■动滑车focusing block1.■聚焦部件follow block1.■(用于旋压的)抵板foot block1.■顶尖座forearm block1.■前臂阻挡forehearth connection block1.■前炉[料道]连接砖former block1.■阴模, 下模; 冲模, 冲头fourfold block1.■四轮滑车four-way tool block1.■四向刀架friction block1.■摩擦块, 摇枕档frozen meat block1.■冻肉块fuller block1.■圆底模function block1.■功能块, 功用块fuse block1.■保险丝装置, 熔丝盒fusion-cast block1.■熔铸耐火砖gap block1.■轴瓦gas block1.■导气箍gate block1.■控制极封锁gauge block1.■块规, 量块geared block1.■齿轮滑车generator-transformer block1.■发电机变压器单元genetic block1.■遗传性阻碍gin block1.■单轮[吊货, 铁框]滑车glass block1.■玻璃垫块, 玻璃条, 镜片glass building block1.■建筑用玻璃砖glass spacer block1.■玻璃模具定位块glazed block1.■包冰衣的冻鱼块grab block1.■抓手封球graphite block1.■石墨块[砖, 堆]gravity block1.■倒立卷筒grey iron block1.■(冲天炉中)铁砖grinding block1.■磨石grip block1.■断绳防坠器2.■罐座, 罐托3.■停止块[凸耳]4.■夹持块[板]group block1.■复式滑车guard repair block1.■护刃器修理站gudgeon block1.■轴承guide block1.■(超细棉)导丝器, (玻璃纤维)导丝板; 导(向)滑车, 导块gypsum block1.■(培养酵母用)石膏块half block1.■半数据块half-tone block1.■网线凸版hammer block1.■锤体, 锤头; 击锤卡铁haul-back block1.■回索滑轮head block1.■跑车座架2.■压垫盘3.■罐端撑铁; 尖轨长枕; 第一个闭塞区段; 垫块heading block1.■起始字组headlight cable terminal block1.■头灯接线板heart block1.■【医】心传导阻滞hearth block1.■炉底[炉床]砖heater block1.■加热部件heel block1.■垫块, 垫板; (转辙器)跟部垫块; 背靠块hoist(ing) block1.■起重滑车hoist piston rod head block1.■起重机活塞杆块hollow block1.■空心块hollow sliding block1.■联轴节型滑块hollow spinning block1.■空心旋压模hone spacing block1.■磨刀石隔块hook block1.■带钩滑车horizontal block1.■卧式卷线筒horn block1.■角块; 轴箱架, (机车的)轴箱夹板hydraulic block1.■液压升降龙骨墩ice block1.■冰块immobile block1.■定滑车inactive block1.■静态[待用]分程序inclined cylinder block1.■斜轴式柱塞泵缸体induction block1.■感应器initial block1.■初始区组injection block1.■注射块input block1.■输入(存储)区; 输入块; 输入信息组; 输入缓冲件insulating pack-up block1.■绝热[隔热]垫砖integrated circuit block1.■集成电路块integrating block1.■积算部件interlocked block1.■联锁[半自动]闭塞intermediate block1.■中间锤座; 砧面托intermittent automatic block1.■点式自动闭塞装置internal block1.■内分程序invoking block1.■调用程序块jacking block1.■千斤顶张拉垫块; 顶车垫块jeer block1.■桁索滑车jewel block1.■信号索滑车, 旗绳滑车job step control block1.■作业步控制程序块Johson block1.■(约翰逊)块规joint block1.■连接砌块; 接块; 接头凸爪Jordan block1.■约当块keel block1.■铸锭, 钢试样锭, (做力学试验样品用)基尔试块, 艇座kick-up block1.■阻[挡]车器knife block1.■刀框; 刀片滑块, 滑动刀架knife box1.■刀框; 刀片滑块, 滑动刀架label block1.■标号信息组leading block1.■导向块; 导(向)滑车learning block1.■学习上的困难, 拦路虎level(l)ing block1.■水平压块; 校准垫块, 水平校正块; 划线平台link block1.■连接块, 连接信息组link slide block1.■滑块, (机车的)月牙板滑块linoleum block1.■麻胶版lip block1.■支撑垫块load pulley block1.■载重滑车架load-bearing block1.■荷重块料locating block1.■定位块lock block1.■闩块logic(al) block1.■逻辑块[单元]long tackle block1.■长绳滑车lower block1.■下滑车; 底座macro definition block1.■宏(指令)定义块magnetic V block V1.■型磁铁magneto block1.■磁电机座main block1.■主体, 主要部分mandrel block1.■心轴垫座, 拆旋轴垫座mate block1.■成对分割块measuring block1.■量块, 块规memory block1.■存储区, 存储块[组件]message control block1.■信息控制块[组]metabolic block1.■代谢障碍metering block1.■配量阀组mitotic block1.■有丝分裂阻抑mitre block1.■斜锯架mobile block1.■动滑车mo(u)lded block1.■成型大砖monkey block1.■凸轮式固定阻车器, 转环滑车monoblock cylinder block1.■整体气缸座monorail chain block1.■单轨链滑车mooring block1.■(港内用)系泊锚mortise block1.■链滑轮mosaic block1.■镶嵌块mother block1.■主组件; 主程序段movable block1.■(代替雪线用的)可移动块体moving block1.■移动滑车muffle block1.■上喷嘴砖multiple-strand twist block1.■多线扭转线材轧机机组multitool block1.■多刀刀架nerve block1.■神经封闭nesting block1.■嵌套分程序non-slipping block1.■防滑块no-twist finishing block1.■(线材)无扭精轧机组nozzle filler block1.■喷管胀圈nozzle tube lever block1.■嘴管杆垫块oak block1.■橡木块occupied block1.■占用区段offensive block1.■攻击性拦网oil pan filler block1.■油盘油封座one block1.■整体, 单体one-man block1.■单人拦网open block1.■取消闭塞; 解锁的闭塞机open-hearth block1.■平炉换向器optic block1.■光学系统, 光学装置optoelectronic functional electronic block1.■光电子功能电子块ore block1.■矿体oscillating rod end block1.■往复杆头块osculating block1.■密切块output block1.■(内存储器中)输出区; 输出部件oven block1.■炉组overflow block1.■溢出块, 溢出信息组overhead take-off block1.■上出线式卷筒overthrust block1.■逆冲体, 逆掩断层推覆体packing up block1.■衬层, 垫板, 垫块, 填料parallel block1.■平行台parietal block block1.■【医】心室内传导阻滞peri-infarction block1.■【医】心室内传导阻滞parquet block1.■镶嵌(拼花)木块; 拼花地板条passive block1.■无源组件paving block1.■铺地块料perched block1.■【地质】坡栖岩块permanent-magnet block1.■永久磁铁块permanent periodic block1.■固定更新区fixed periodic block1.■固定更新区permissive block1.■容许闭塞pillow block (=plumber block)1.■轴台pitch block1.■节圆柱plain block1.■平块plain bearing pillow block1.■普通轴承轴台plaster block1.■石膏块plug-in switching block1.■插件, 插入式切换组件plummer block1.■止推轴承, 轴架, 轴台position block1.■固定块positive block1.■绝对闭锁[闭塞]prismatic block1.■棱柱形砖processing block1.■程序方块图protector block1.■保安器组件pull-and-out block1.■牵引[拖曳]复滑车pulley block1.■滑轮组, 滑车组pump block1.■泵套punch 凸模坯料; (凿孔机)针架purchase block1.■起重滑车push-up block1.■立式推线拉丝卷筒quarter block1.■转角滑轮, 转弯滑轮queue control block1.■队列控制分程序quick block1.■快挡radiator block1.■散热器组radius block1.■半径杆块radius-changing pulley block1.■变辐滑轮组raiser block1.■垫块ram block1.■冲头垫块randomised block1.■【统】随机(排列)区组, 随机性raw rubber block1.■生胶块reactor block1.■反应堆块[舱]rear block1.■后刀座架; 后座record block1.■【自】记录块rectangular block1.■矩形块rectifier block1.■整流器关闭[阻塞]reel block1.■卷取机的卷筒reference block1.■【自】参考程序块reference test block1.■标准试样refractory block1.■耐火垫refractory fireclay block1.■粘土耐火砖refrigeration block1.■冷藏区regular shackle block1.■带卸扣[钩环]滑车regulating block1.■调节装置relay semiautomatic block1.■继电半自动闭塞relieving block1.■减阻块request block1.■请求程序段resolution blocks1.■分解力楔, 清晰度楔resource control block1.■资源控制程序块reverse gear block1.■倒车齿轮组revocable regeneration block1.■可取消的更新区rheostatic braking block1.■电阻制动块[组]ring block1.■环形信息组riser block1.■调整垫板rising block1.■上升式闭锁机rocker trunnion block1.■摇轴座roller block1.■滚动支座底板roller bearing pillow block1.■滚柱轴承轴台rolling block1.■下转后退闭锁机rope block1.■滑轮, 滑车rope tackle block1.■绳滑车rotary interlocking block1.■旋转式联锁[半自动]闭塞机rotor block1.■转子体round die block1.■圆形模块rubbing block1.■(用于初步磨光大理石的)粗纹石板running block1.■动滑车safety block1.■【军】保险块scotch block1.■制转楔, 止车楔, 制动块screw block1.■千斤顶, 螺旋顶高器scribing block1.■划线架[盘]secondary block1.■(脉码调制)二次群section block1.■区间闭塞session control block1.■对话时间控制程序块set block1.■(定工具尺寸用)块规shaft block1.■轴承座sheave block1.■有槽滑车, 滑轮, 滑车组shifting block1.■拨头shim block1.■垫片, 垫块, 楔块shoe block1.■制动块, 闸瓦, 刹车块; 正交双滑车shutoff block1.■排种量调节套, (槽轮排种器的)阻塞套siding-to-siding block1.■区间single-sheaved block1.■单滑轮sink block1.■接收框, 连收区sister block1.■复滑车, 双(动)滑车size block1.■规块sizing block1.■垫铁sketch block1.■写生簿, 速写簿slack adjuster block1.■缓冲调整块slide block1.■滑块, (剪切机的)滑架slipper block1.■滑板, 滑块; 滑动支座snatch block1.■向工作面运坑木的滑车; 扒矿机钢丝绳的导轮; 扣线滑轮; 开口滑车snow block1.■【气】雪片soil block1.■土块soldering block1.■焊接用组件solid block1.■支柱, 基线三角架solid circuit block1.■固体电路块source block1.■信号源方框符号sow block1.■卡盘, 夹盘, 夹头2.■(锻造用)模座3.■(连接锻模的)燕尾槽砧4.■防磨块, 护砧板spacer block1.■垫块, 衬垫片speed restrictive block1.■限速闭塞区段, 限速区间spinning block1.■旋压模spring block1.■板簧座, 拱座spring carrying block1.■板簧支座, 簧架spring end block1.■弹簧端垫spring stop block1.■弹簧阻车器spring-operated ga(u)ging V block1.■弹簧式V形定位块standard block1.■标准单元stand-by block1.■备用(缓存)单元, 备用程序; 备用部件; 交换器(为提高输入输出数据速度用的缓存器)standing gage block1.■标准块规starter frame block1.■起动机座starting block1.■起跑器stationary block1.■(拨丝机的)固定式卷筒steel sheave pulley block1.■钢轮滑车stone block1.■石块stop block1.■阻块; 止轮楔; 止位块, 限位装置store block1.■存储块striking block1.■冲击座sub block1.■子部件supporting block1.■支柱, 支座, 垫板; (弯管机的)支持凸轮swage block1.■(延伸锻造用的)花(板)砧, 型砧, 型模块Swedish block1.■量块, 块规, 约翰逊氏量块swing block1.■摇块switch block1.■开关组, 开关部件; 转换部件swivel block1.■转枕, 转动滑块, 转环滑车table block1.■数据表块(数据表的一部分)tag block1.■标签接线板tail block1.■后顶尖座, (车床)床尾; 滑轮活轴take-up block1.■(拉丝机的)收线卷筒tank block1.■池壁砖tank head block1.■罐端撑铁tap-hole block1.■出铁口成型砖tappet block1.■支柱, 支架task control block1.■任务控制块telegraph block1.■电报闭塞telephone block1.■(通知车辆运行情况的)电话系统tender chafing block1.■煤水车防擦板tension pulley block1.■张紧滑轮terminal block1.■线弧, 接头排; 接线盒, 接线板, 线夹test block1.■试样, 试块thermocouple block1.■插热电偶的砖thick film circuit block1.■厚膜电路块three-sheave block1.■三轮滑车throat-cheek block1.■流液洞侧砖thrust block1.■斜撑底座; 止推(承)座, 推力轴承tie block1.■接合砖tilt block1.■【地质】掀斜地块tilting block1.■摆动箱体tilting cylinder block1.■(斜轴式柱塞泵)摆动缸体tint block1.■只用于浅色印刷的雕版或电镀版; 浅色的背景(衬底)title block1.■工程图明细表tokenless block1.■无凭证闭塞tool block1.■刀架tooth block1.■齿形样板, 牙块top knife block1.■上刀片滑块, 上刀架, 上刃台tower block1.■(高层建筑)塔式大楼track block1.■自动闭锁; 履带蹄块track circuit permissive block1.■有轨道电路的容许闭塞transposition block1.■换位线接板travelling block1.■动滑车tread block1.■履带座treble block1.■三轮滑车trip block1.■自动停止进刀挡块Triton block1.■梯恩梯药块turning block1.■转动(滑)块turret block1.■六角刀架twin pulley block1.■双(联)滑轮组two-sheave block1.■双轮滑车undefined length block1.■不定长信息组unit block1.■组匣, 单元块unit control block1.■部件控制程序段universal angle block1.■万能角规universal center block1.■活节中心块universal-joint trunnion block1.■万向节耳轴座[十字头]unlabel(l)ed block1.■无标号分程序valve block1.■给油[水]阀组vane-type nozzle block1.■叶片式嘴组variable block1.■可变块variable condenser block1.■可变电容器组vee block1.■三角槽铁, V形(滑)块, V槽块, V形座ventricular block1.■心室阻滞water block1.■水封; 水箱wear block1.■磨损量块wedge (breech) block1.■楔形炮闩wedging block1.■楔合块wheel block1.■轮坯wire-drawing block1.■拉模板wireless automatic block1.■无线电自动闭塞系统wiring block1.■接线板wire-drawing block1.■拉模板wood block1.■木版画, 木刻; 版木wooden block1.■木块; 木托; 木滑车wooden brake block1.■木闸瓦wooden sheave block1.■木轮滑车works puller block1.■增力滑车组worm pulley block1.■螺旋[蜗杆]滑车wrecking block1.■重货滑车wrist-pin brass wedge block1.■肘销铜衬楔垫块X-type V block X1.■形(双面)V形铁Zebra block1.■导电-非导电弹性体块 |
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