雨水和低流量管路装置可以将饮用水需求减少68%。
The use of rainwater and low-flow plumbing fixtures will reduce potable water consumption by 68 percent.
本文结合实例运用流体力学、电机结构原理定量研究了管路装置设计中汽蚀产生的条件，并提出了解决的方法。
In this article, we studied the occurred condition of cavitation in pipe design based on the hydrodynamics and the configuration theory. and offered the resolved method.
太阳能热水系统主要元件包括收集器、储存装置及循环管路三部分。
Solar hot water system mainly components including collector, storage device and the circulation line three parts.
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