短語(yǔ)詞組短語(yǔ)gas -distribution piping system 配氣管網(wǎng)系統(tǒng)deluge distribution piping 噴淋管線Distribution Piping System and Nozzle 分配管系和噴嘴transportation and distribution piping system 輸配水管道系統(tǒng)optimal piping distribution 管網(wǎng)優(yōu)化piping distribution system 管式配水系統(tǒng)water supply piping distribution system 給水配水系統(tǒng)piping -distribution system 管式配水系統(tǒng) 返回 distribution piping