短語(yǔ)詞組短語(yǔ)double cone dump valve 雙層錐形放灰閥cone logic valve 邏輯錐閥cone -valve 錐閥cone way valve 單向閥Cone -valve typed one-way valve 錐閥式單向閥deslagging cone valve 排渣錐形閥cartridge cone valve 插裝錐閥Cr steel cone valve Cr 鋼錐閥cone valve port 錐閥口 返回 cone valve