英语词汇“jack screw”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	jack screw
释义	jack screw 基本英英例句 n.螺旋千斤顶名词 jackscrew: screw-operated jack用作名词Each of the four legs contains a simple screw jack with a thrust bearing that is operated telescopically inside of two tubes.四条腿中每个都装有一个简单的螺旋千斤顶，千斤顶中又有一个在两根管道中做伸缩操作的推力轴承。
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