短語(yǔ)詞組短語(yǔ)atmospheric dump valve 大氣排放閥atmospheric relief valve 大氣安全閥;大氣泄放閥;曏空泄放閥;對(duì)空排汽門atmospheric exhaust valve 排空閥atmospheric rilief valve [機(jī)]大氣釋放閥dump steam atmospheric valve 曏空排汽閥hydraulic valve atmospheric spring 液閥彈簧 返回 atmospheric valve