pulley block

[ˈpʊli blɔk]
  • 释义

  • 滑轮组;

  • 双语例句
  • 1、

    The elevation and fall of the load is controlled by a cylinder driven pulley block.

    负载的升降是通过气缸驱动滑轮组实现.

    ——期刊摘选
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