柯林斯英汉双解大词典
screw jack
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1.
N a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel drive 千斤顶 (Also called jackscrew, jack)
双语例句
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We can adjust the levelness of the machine by means of shim and screw jack.
我们可以利用垫铁和螺丝千斤顶来调整机器的水平度。
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We can conform the levelness of the machine by means of shim and screw jack.
我们可能利用垫铁和螺丝千斤顶来调零件器的水平度。
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The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5tons.
这个吊链（油压千斤顶、螺旋千斤 顶）的起重能力为5吨。
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