Your landscape designer will calculate slopes and check soil types to size and plan runoff and drainage control for your situation.

您的景观设计师将计算斜坡，并检查您的具体情况土壤类型的大小和计划径流和排水控制。

youdao

You can adapt these to both control runoff and help planted areas retain water better.

您可以调整这些既控制径流和帮助种植面积积水的更好。

youdao

It is a critical basis for utilization of rainfall resource and pollution control of runoff in urban area to understand runoff quality and its main influential factors.

掌握城区雨水径流水质及其主要的影响因素是有效地利用城区雨水资源和控制城市非点源污染的基础。

youdao

Too much of this irrigation water is lost to evaporation, the water coverage is hard to control and wasted runoff can occur.

CNN: X-rated yards save the environment