compound lock

 
       
  • 複式船閘

compound lock的用法和樣例:

例句

  1. The lock keeper closed the lock gate.
    船閘管理員關上了閘門。
  2. Main items and design contents of Sanhe navigation lock reinforcement project is introduced in this paper.
    介紹三河船閘加固改造的主要項目和設計內容。
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