基本解释

• [交通运输工程]单向减压阀

英汉例句

双语例句

• The utility model is mainly composed of a wash basin, a box body, a sewage pressure device, a one-way valve, a pressure reducing valve, a water tap, etc.
  其主要由洗面盆，箱体，污水加压装置，单向阀，减压阀，水龙头等组成。
  ip.com

专业释义

交通运输工程

• 单向减压阀