给排水系统的英文：
n. water;waste system

参考例句：

The drainage system has been aged.
排水系统已经老化了。

The improvement in sewerage and drainage systems,
排水设备和排水系统的改善…

It became necessary to provide drainage or sewer systems to carry such wastes away from the area
提供排水系统或污水管道系统，把废物排出市区已成为必要。

On either side a checker of open ditches showed where the municipal constructors had designed a system of drainage
马路两旁纵横交错的阴沟说明承包市政工程的商人曾计划在那里修建排水系统。

Velocity of flow of sewage
排水系统的流速

Combined sewerage system
含流制排水系统

The defect in the drainage must be remedied.
这排水系统的缺陷该设法补救。

sewerage systems are either "separate" or "combined"
排水系统有“分流制”和“合流制”。

"The drainage of the town is not good, some of the pipes are broken."
"城里的排水系统不好,有些水管断裂了。"

The special catchment's system design, keeps breeze from blow to result in rainwater and dusts enter.
独特的排水系统设计，防止风吹成雨水和灰尘的进入。

water是什么意思：
n. 水；雨水；海水；海域
v. 给…浇水；供以水；加水；流泪；流口水

In smooth water
进入顺境

Is the water on or off?
自来水龙头开着还是关着？

Water Skiing is a surface water sport.
滑水是一项水面运动。

waste是什么意思：
v. 浪费，滥用，消耗
n. 浪费，废（弃）物，废料，排泄物
adj. 废弃的，无用的

It would be a grievous waste.
那将是一种严重的浪费。

This opportunity is too good to waste.
这个机遇千载难逢，绝不能错过。

"Waste not, want not "
俭则不匮

system是什么意思：
n. 体系，系统；设备；制度；方法；身体；次序

Is the system unstable?
是系统不稳定吗？

It was not a perfect system.
它不是一个完美的系统。

This is a sexpartite system.
这是一个由六部分组成的系统。