短語詞組短語pipeline e conveyance 管道運(yùn)送water pipeline conveyance 管道運(yùn)輸water conveyance pipeline 輸水管線water conveyance pipeline project 輸水管道工程powder conveyance pipeline 送粉管道low pressure water conveyance pipeline 低壓管道輸水pressurized water conveyance pipeline system 有壓輸水管道系統(tǒng)water conveyance by pipeline 管道輸水 返回 pipeline conveyance