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)淨(jìng)化

water-proof structure [動力與電氣工程]防水結(jié)搆

water-proof motor [經(jīng)濟(jì)學(xué)]防水式電動機(jī)[交通運(yùn)輸工程]防水式電動機(jī)

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(yùn)動員

water-polluter 汙水的

water-plane n.水上飛機(jī)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