water-reducingrate 減水率water-reducing and set-retarding admixture [能源科學(xué)技術(shù)]減水緩凝劑water-rat n.麝香鼠；水鼠water-ramjet engine [機(jī)械工程]水沖壓發(fā)動(dòng)機(jī)water-radon 水氡water-quencher 水急冷器water-quality ratio [能源科學(xué)技術(shù)]水質(zhì)比water-purification 水質(zhì)凈化water-proof structure [動(dòng)力與電氣工程]防水結(jié)構(gòu)water-proof motor [經(jīng)濟(jì)學(xué)]防水式電動(dòng)機(jī)[交通運(yùn)輸工程]防水式電動(dòng)機(jī)water-proof course [土木建筑工程]防水層water-proof and drainage system plan [測(cè)繪科學(xué)技術(shù)]防排水系統(tǒng)圖water-proof adj. 防水的；不透水的water-power n.水電力water-polo player [體育]水球運(yùn)動(dòng)員water-polluter 污水的water-plane n.水上飛機(jī)n.水面；潛水面；水線面water-pistol n.水槍water-pipe (n.) water-parting [地球科學(xué)]分水嶺分水線