jack lift point 起重器支承点
jack lift operator 千斤顶升降机操作员
jack lift method 顶举法
lift jack 提升油缸
hand lift jack 手动千斤顶
high-lift jack 我们用举升千斤顶
rim lift jack 轮辋起重机
high lift jack 高升程千斤顶
You need a jack to lift the car before repairing it.
修汽车前，你得用千斤顶把汽车抬起来。
We all worked hard except Jack. He wouldn't lift a finger.
除了杰克，我们都在努力工作。他一点忙也不帮。
Imersion oil electric pump unit is a kind of oil jack with rodless deep extraction, large discharge capacity and high lift.
潜油电泵机组是一种无杆深抽、排量大、扬程高的抽油设备。
应用推荐