实践证明，低耕农业提高了作物产量，减少了用水量；而且，由于有害植物变少了，这种农业对化工产品的需求也降低了。
It has been proved that Low Till Farming increases harvests and reduces water use, and this method reduced the need for chemical products because there are fewer unwanted plants.
对于实现电厂的零排放目标，降低工业总用水量有相当大的意义。
It is meaningful to reduce the account of industry used water and realize zero emission of powerplant.
采用此法可使钻进的用水量大大减少，降低费用，该法在西部灰岩含煤地层中已得到广泛应用。
The technology can slash consumption of water during drilling thus to reduce drilling costs. This method already widely …
三峡工程应用表明，降低混凝土单位用水量显著，取得了较好的技术、经济效益。
The Three gorges project application practice indicated that it may effectively decrease the unit water-use of concrete and gain better technique and economic benefit.
相较其他品牌，超低的漂洗用水量（320-400升/小时）：大大节省电力、催干剂和洗涤量，降低用户成本；
Low water usage (only 320-400 liters per hour) : greatly reduces operating costs of electricity, rinse-aid and detergent;
此外，沃尔玛承诺采取措施提高中国113家商店的节能标准；计划在2010年之前将每家商店的能耗降低30%、用水量减少一半。
In addition, Wal-Mart said it is committing to make its 113 existing stores in China more environmentally friendly by reducing energy use at each store 30%, and cutting water use in half by 2010.
结果表明：（1）高钙灰的掺入改善了胶砂的工作性，降低了标准稠度用水量，延缓了胶材的初终凝时间；
The results show: (1) with high calcium mixing, concrete workability was modified, the water quantity needed for standard consistence decreased, initial and final setting time increased;
结果表明：（1）高钙灰的掺入改善了胶砂的工作性，降低了标准稠度用水量，延缓了胶材的初终凝时间；
The results show: (1) with high calcium mixing, concrete workability was modified, the water quantity needed for standard consistence decreased, initial and final setting time increased;
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