短語(yǔ)詞組短語(yǔ)piping distribution system 管式配水系統(tǒng)transfer piping main system 切換母管制系統(tǒng)piping line system 管系Piping g System 管匯系統(tǒng)piping extinguishing system 管網(wǎng)滅火系統(tǒng)piping transport system 管道輸送系統(tǒng)water supply piping distribution system 給水配水系統(tǒng)wingestedr supply piping distriion system 給水配水編制Identification of piping system 管道識(shí)別色 返回 piping system