chain block

英 美
  • n.起重机
  • block n.街区;木块;石块;大楼;一组;阻塞(物);障碍(物)v.阻塞
  • chain n.束缚;链条;链;(一)连串;连锁店(常用复数)vt.束缚;用铁链锁住
    用作名词 (n.)
    1. A shrill whistle rang out as a signal, a man over at the engine pulled a lever, a chain from the derrick was lowered, and the whistle rang out again.
      随着一声尖锐的哨响作为信号,机器后面的人拉动手柄,起重机下的铰链徐徐降下,然后又是一声哨响。