问题描述:
[单选]
升降是指用起重机械吊起货物,通过垂直运动实现装卸。Lifting up and down refers to lifting goods with lifting machinery, loading and unloading are realized by vertical movement.
A.正确
B.错误
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答案解析:无
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上一篇:连续作业流动性强,装卸位置变化范围大。Continuous operation has strong mobility, and the loading and unloading location can be changed in a large range.
下一篇:搬运是指物体在任何地方进行空间移动的过程。Handling refers to the process of spatial movement of objects in any place.
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