英语词汇“screw block”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	screw block
释义	screw block 基本例句千斤顶,螺旋顶高器 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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