hoisting jack是什么意思 hoisting jack怎么读
hoisting jack的用法和样例
- It should constantly keep clean and smooth of the holding surface of the permanent magnet hoisting machine.
应始终保持永磁起重器吸持面的清洁与平整。 - They put the car up with a hoisting jack.
他们用千斤顶把车抬高。 - We jack the automobile in order to change a tire.
我们用千斤顶把汽车托起换个轮胎。
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