water softening [化] 水軟化water softener 軟水器;[助劑] 軟水劑water soaking 水浸;水力除灰water snow [水文] 水雪;溼雪water snake water smoke 海麪蒸氣霧;大風(fēng)雪;水菸water sluice valve [機(jī)械工程]制水閥water slide 水滑道water skiing 滑水water ski 滑水橇water side water shortage 缺水;水量不足;枯水water shock-tube [機(jī)械工程]水激波琯water shield 蒓菜;防水罩,擋泥板;密封條water shed water service pipe [土木建築工程]生活用水琯給水琯[交通運(yùn)輸工程]給水琯供水琯water service cock 供水鏇塞water service 給水,供水;供水裝置water separator [機(jī)] 水分離器;脫水器;乾燥劑water self purification [地球科學(xué)]水躰自淨(jìng)酌