The unique drainage system design, prevent the rain water and dust entering.
独特排水系统设计，防止风吹造成雨水和灰尘的进入。
Also the design and calculation of their water drainage system are added.
介绍绿地、花坛的构造、排水系统的类型以及排水系统的设计计算方法。
In design of highway drainage system, the rainfall reappearing period is a very important parameter.
在公路排水系统设计中，降雨重现期是一个非常重要的参数。
In the urban planning, the design of the drainage system is essential.
在城市规划中，排水系统的设计至关重要。
In the urban planning, the design of the drainage system is essential.
在城市规划中，排水系统的设计至关重要。
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