drain layer是什么意思

网络释义

用法例句

Effects of man-made ditch on eco-environment:A research review.;

人工沟渠的生态环境效应研究综述

"Frost resistance design code for hydraulic structure"and"frost heave resistance design code for canal system engineering"are compared and analysed.

对《水工建筑物抗冰冻设计规范》和《渠系工程抗冻胀设计规范》不同特点做了对比分析,指出按各自的标准进行计算会给工程设计带来不同安全度,建议宜协调一致,以利工程设计遵循。

An artificial channel built to transport water and use its energy; a raceway.

人工水道建设以输送水源或利用其能量的人工沟渠；水道

a laborer who digs ditches.

挖掘沟渠壕沟的劳工。

"canal:an artificial waterway or artificially improved river used for travel, shipping, or irrigation."

运河,沟渠:人工水道或人工修缮的河流,用于旅行、航运或灌溉.

An artificial waterway or artificially improved river used for travel, shipping, or irrigation.

运河，沟渠人工水道或人工修缮的河流，用于旅行、航运或灌溉

To supply(dry land) with water by means of ditches, pipes, or streams; water artificially.

灌溉通过沟渠，水管，或小溪给（干地）提供水；人工浇水

Help your LEGO worker escape the trench by constructing a tower of LEGO bricks as they fall from the sky.

帮助你的乐高工人利用从天而降的乐高方块建造高塔以逃离沟渠。

Feasibility Study of Handan Areas Ditch Artifical Wetland Measures Agricultural Non-point Source Polhution

邯郸地区沟渠人工湿地治理农业面源污染可行性研究

I saw a men clear the ditch.

我看到一个人跳过了沟渠。

The fields are crisscrossed by irrigation canals and ditches.

田野上沟渠纵横 。

a ditch dug as a fortification having a parapet of the excavated earth.

挖掘的土地上有低墙的作为防御工事的沟渠。

A Study on a Demonstration Project for Ecological Restoration of Ditches at QianWei Village, Chongming County;

崇明前卫村沟渠生态修复示范工程研究

Brief Analysis on Measures of Danger Control and Reinforcement in Wangjiagou Combined Engineering of Channel and Reservoir

王家沟渠库结合工程除险加固措施浅析

How many man-days will be needed to construct this irrigation canal?

修这条渠道要多少人工？

To make, form, or cut channels in.

开辟沟渠在…上制作、形成或切割沟渠

A complete irrigation system was made up of the main ditch, the branch ditches and many water channels through which water was diverted into the cultivated fields.

渠分干渠、支渠、小沟不同等级，以引渠水灌溉耕地。

To form a deep ditch or channel.

形成冲沟形成深深的沟壑或沟渠

To wear a deep ditch or channel in.

在…上开沟在…上冲出深深的沟壑或沟渠

Roman engineers maintained water levels in aqueducts by means of floating valves that opened and closed at appropriate levels.

罗马工程师用在适当水位开、关的浮子式阀来保持沟渠系统的水位。