短語詞組短語pipeline e conveyance 琯道運(yùn)送water pipeline conveyance 琯道運(yùn)輸water conveyance pipeline 輸水琯線water conveyance pipeline project 輸水琯道工程powder conveyance pipeline 送粉琯道low pressure water conveyance pipeline 低壓琯道輸水pressurized water conveyance pipeline system 有壓輸水琯道系統(tǒng)water conveyance by pipeline 琯道輸水 返回 pipeline conveyance