如果你对太空升降梯这个名词并不熟悉，那么你或许曾经听过它的一些别名：豆茎，轨道缆索，还是非同步轨道天钩。

If you're not familiar with the space elevator, perhaps you've heard it referred to by one of its other names: the bean stalk, the orbital tether, the nonsynchronous orbital skyhook.

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可用一滑动控制块把滑动件相对针背升降到各钩尖端位置上。

To raise and lower the slide to the various positions of the hook tips relative to the needle back, a sliding control block may be provided.

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