短語詞組短語WATER HEATER DRAIN 熱水器排水storm water diversion drain 雨水分流排水溝water column drain cock 水柱泄水鏇塞water and drain system 給排水系統(tǒng)Water r drain apparatus 疏水器water and drain 給排水water pump drain plug 水泵放水螺塞water and drain design 給排水設計catch -water-drain 載水溝 返回 water drain