compound lock

       
  • 复式船闸

compound lock的用法和样例:

例句

  1. The lock keeper closed the lock gate.
    船闸管理员关上了闸门。
  2. Main items and design contents of Sanhe navigation lock reinforcement project is introduced in this paper.
    介绍三河船闸加固改造的主要项目和设计内容。
目录 查词历史