water quality 水質(zhì)water purifying 淨水water purifier n. 淨水器water purification system 水淨化器；水淨化系統(tǒng)；純水系統(tǒng)water purification plant 淨水廠water purification 水的淨化water puppetry water pumps [機] 水泵；抽水機water pump seal cup [經(jīng)濟學]水泵水封皮碗water pump idle gear [經(jīng)濟學]水泵惰齒輪water pump housing [經(jīng)濟學]水泵殼water pump 抽水機，水泵water protecting curtain [物理學]防水帷幕water proofness 水密性water proofer water proof torch light [交通運輸工程]防水手電筒water proof glue [交通運輸工程]防水膠water proof electric torch [交通運輸工程]防水手電筒water proof 防水的；不透水的water project