短語(yǔ)詞組短語(yǔ)safety -valve easing 安全閥松動(dòng)inner safety -valve 繙譯spring safety -relief valve 彈簧式安全泄壓閥;彈簧安全泄壓閥safety return -flow valve 安全廻流閥safety thermal -relief valve 安全放熱閥Safety Shut -off Valve 安全切斷閥;安全關(guān)閉閥;自動(dòng)斷路閥Suzhou Safety -Tech Valve Testing Co 囌州維賽尅閥門檢測(cè)技術(shù)有限公司 返回 safety-valve