词汇 | 抽真空 |
释义 | 抽真空抽真空[chōu zhēn kōng]1.■evacuation; rarefy; pick up the suction; creation of vacuum; vacuum-pumping 常用词组1.■抽真空时间 {半} pump-down time;2.■抽真空系统 pumped vacuum system; vacuum-pumping system;3.■抽真空罩 evacuated housing |
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