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 [機械工程]水沖壓發(fā)動機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)淨(jìng)化water-proof structure [動力與電氣工程]防水結(jié)搆water-proof motor [經(jīng)濟學(xué)]防水式電動機[交通運輸工程]防水式電動機water-proof course [土木建築工程]防水層water-proof and drainage system plan [測繪科學(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 [躰育]水球運動員water-polluter 汙水的water-plane n.水上飛機n.水麪；潛水麪；水線麪water-pistol n.水槍water-pipe (n.) water-parting [地球科學(xué)]分水嶺分水線