block and falls

 
  • 滑车

block and falls的用法和样例:

例句

  1. There is no bucket and pulley to this well.
    那口井没有吊桶和滑车。
  2. The travelling block is one of the most useful rig parts.
    游动滑车是最有用的钻机部件之一。

block and falls的相关资料:

临近单词

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