1.
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。
2.
ceramic sanitary fixture for connection to water or sewage systems
陶瓷卫生器具,用于连接供水排水系统
3.
and sanitary or environmental engineering, which involves the study of water supply, purification, and sewer systems.
以及环境卫生或环保工程——研究供水系统、水净化系统与排污系统等。
4.
ceramic sanitary fixture of porcelain or china indoor for connection to water or sewage systems
室内陶瓷卫生器具,瓷制,用于连接供水排水系统
5.
Water supply and drainage system: the water supply and drainage piping from the joint at 1m from the workshop outside wall to water users.
供、排水系统:从车间外墙外1米处的接点至用水设备的供水、排水管道。
6.
A Study on the Systematic Model of Quality and Function Orientated Municipal Water Supply and Drainage Project in Tai an City;
泰安市城市分质供排水工程系统模式研究
7.
fixture for indoor plumbing, ceramic of porcelain or china for connection to water or sewage systems
陶瓷室内卫生设备,瓷或白坯资制,用于连接供水排水系统
8.
fixture for indoor plumbing, ceramic (excl. of porcelain or china) for connection to water or sewage systems
陶制室内卫生设备（瓷或白坯瓷制的除外）,用于连接供水排水系统
9.
drainage capacity
排水系统的去水能力
10.
bilge pumping and draining system
舱底污水泵及排水系统
11.
The improvement in sewerage and drainage systems,,,
排水设备和排水系统的改善…
12.
The pipes, fixtures, and other apparatus of a water, gas, or sewage system in a building.
管道设备，水暖设备一幢建筑物中供水、供气或排污系统中的管子、装置和其它装置
13.
Rural Drainage Rehabilitation Scheme
乡郊排水系统修复计划
14.
One Pipe System
单管混接系统（排水）
15.
television survey of drainage system
排水系统电视勘测工作
16.
land drainage and flood path system
土地排水及防洪道系统
17.
drainage system
"排水系统,见 storm water drainage system"
18.
Exhaust air cooling down when passing through the hood,it provides a cold and pleasant working environment to the chefs.
排出的油污及热空气,因其经过洒水系统部份,以致排出空气减温,徒而提供一个较清闵工作环境.