rope block

例句：

1. 1. The engineer used a rope block to secure the heavy equipment.
   工程师使用一个绳索块来固定重型设备。
2. 2.The construction workers were using rope blocks to lift the heavy materials.
   建筑工人正在使用绳索板来搬运重物。
3. 3. The rope block was designed to prevent accidents during construction work.
   绳索板的设计是为了在施工过程中防止事故。