节约用水的设计方案.doc

节约用水的设计方案
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities10
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
节约用水的设计方案
摘要 水资源是维持人类生存、、同类比较法、差别比较法、直观形象法、:
第一,就材料中所述的两套不同洁具生产方案,,并且方案二经过改进还可以有更优的设计方案.
第二,对洁具的节水功能的改进,不仅仅只能从放水时间的改进,还可以从洁具的盛水的低水箱设计方面改进,例如文中所说到的把普通直冲式水箱设计为的尺寸或者是尺寸的水箱,都比现有水箱更符合节水理念.
关键词 洁具;低水箱;节水;容积;放水量;微元法.
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities3
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
引言
水,一个简单的名字,,全球水污染和浪费的现象已非常严重,全世界有100多个国家缺水,水资源不足不仅成为许多国家经济发展的严重障碍,而且也威胁到人类的生活、“人可一日不吃饭,但不可一日不喝水”.我们的生活离不开水,谁是我们生活不可缺少的重要资源.
然而,在我们现实生活中,在我们的身边,,会时常看到这样的情景,食堂边上的自来水水龙头有时坏了,水哗哗地留个不停;有的水龙头厂商是一滴一滴的水在滴,一天、两天···