sheave block

• 有槽滑车,滑轮,滑车组

sheave block的用法和样例：

例句

1. Large sheave mounted on sealed ball bearings for high efficiency.
   安装在密封滚珠轴承上的大型滑轮，有相当出色的效率。
2. Seize together,as of parallel ropes of a tackle in order to prevent running through the block.
   把滑车的平行绳子牢牢抓住，以免滑车通过滑轮转动。