Roof rain runoff areas may require a drain or gravel sump to protect plants and structures.
屋顶雨水径流的地区可能需要排水渠或砾石坑保护植物和结构。
Rainfall in the valley through the rain runoff mechanism collects to a basin export, and forms a watershed runoff.
降落在流域上的雨水经过产流机制的作用汇集到流域出口形成流域径流。
The rain runoff water quality in Shanghai was monitored and the main pollution factors influencing the water environment were investigated.
通过对上海市雨水径流水质的监测，以及对其污染主要影响因素与污染程度的分析，掌握水质特性及其变化规律。
Subgrade slope surface erosion is defined as a phenomenon which rain runoff destroys subgrade slope surface, and washes away soil on the surface of slope.
路基边坡冲刷是指降雨形成的坡面水流破坏路基边坡坡面，并冲走坡面表层土体的现象。
The techniques for handling rain runoff and sprinkler drainage are similar, although your landscape designer should take into account the worst-case scenario.
处理雨水径流和洒水排水的技术类似，但您的景观设计师应该考虑到最坏的情况。
Through the analysis and measuring of the water quality of roof rain-runoff in Handan city, it is found that the water quality of roof rain-runoff is polluted seriously.
通过对邯郸市城区屋面雨水径流水质进行分析测定，发现城区雨水径流水质污染严重。
Through the analysis and measuring of the water quality of roof rain-runoff in Handan city, it is found that the water quality of roof rain-runoff is polluted seriously.
通过对邯郸市城区屋面雨水径流水质进行分析测定，发现城区雨水径流水质污染严重。
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