排水沟设计(design of drainage diteh)按照排水系统工程布局和工程标准，确定田间排水沟深度和间距，并分析计算各级排水沟道和建筑物的流量、水位、断面尺寸和工程量。
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结合设计工作中的实际情况，介绍排水沟设计程序及其使用方法，以提高设计工作质量和速度，适应现阶段的设计需要。
Through practical situation of design work, the paper introduced drain design program and methods for improving quality and speed of design work and suiting design's needs at present.
Roomba与其他机器人(例如一个清理游泳池、另一个清理排水沟)，设计成主机控制的单功能清洁机器人。
The Roomba was followed by a host of other home cleaning robots designed for -single functions, such as one that cleans pools and another that cleans gutters.
设计图则与此相反，它承载的是要把这个建筑从纸上变成成品所需要的所有建造细节，细化到每一扇窗户、每一条排水沟和每一个电灯插座。
A plan, on the other hand, lays out the structural details that will bring that house into existence, down to every last window, rain gutter and light socket.
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