词汇 | 滚针 |
释义 | 滚针滚针[gǔn zhēn]1.■kingpin; quill roller (轴承的); roller pin 常用词组1.■滚针导轨 roller guide;2.■滚针关节轴承 needle knuckle bearing;3.■滚针套 needle bush;4.■滚针轴承 multi-roll bearing; needle bearing; needle (type) roller bearing; quill bearing |
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