滑轮组
[化] 滑轮组

pulley block的用法和样例：

例句

用作名词(n.)

Crevasse rescue is one of the more complicated mountaineering techniques, sometimes requiring pulley systems and multiple haul lines.裂缝救援是一项更副复杂一些的登山技术，有时候需要滑轮组和多组拖曳绳。

【近义词】

pulley滑车
pulley-block滑轮组, 滑车组, 手拉...
block街区

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