screw prop
英
美
- 千斤顶
双语例句
- 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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