If it can reduce anthropogenic causes to make full use of water-saving sanitary ware, it can save the construction water supply and drainage in terms of the energy required for about 5%.
如果能减少人为原因充分使用节水型卫生器具，就可以节约建筑给排水方面所需能量的5%左右。
As regards optimum design of wastewater reuse network two simple design examples are introduced for building water reuse in order to make full use of wastewater to meet the water consumption demand.
结合污水回用网络的优化模型设计，介绍了两个较简单的用水网络中最优污水回用网络设计实例，从而使污水得到最大程度的回用，并满足用水要求。
So we should try to improve the usage rate of water by saving water, control the overdevelop of underground water, make full use of ground water, fa-ther and reuse waste and polluted water.
因此，我们必须从节约用水、控制地下水超采和充分利用地表水及治理和回用废污水等多种途径提高水的利用率。
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