This article has explained the air-back in single stack drainage systems and maintaining measures.
文章介绍了单立管排水系统常见返气现象,并提出了维修解决办法。
Specification for design of specific single stack drainage system
特殊单立管排水系统设计规程
The Maintenance of Air-back in Single Stack Drainage Systems in High Schools;
高校单立管排水系统常见返气现象维修
One Pipe System
单管混接系统（排水）
Based on Systems Engineering to Optimize Design of Shaft Drainage
基于系统工程的立井井筒排水管路优化设计
Connect the exhaust down pipe to the exhaust system refer to Group 11, Exhaust System and Intake Manifol
连接排气下行管到排气系统，请参阅第11单元“排气系统和进气歧管”。
Disconnect the exhaust pipe from the exhaust down manifold (refer to Group 11, Exhaust system and Intake Manifolds).
从排气下行管断开排气管（请参阅第11单元“排气系统和进气歧管”）。
The drainage of the town be not good , some of the pipe be break
城里的排水系统不好,有些水管断裂了
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。
Probe into the Teaching of the Course of Water and Wastewater Pipe Network System
《给水排水管网系统》课程教学探讨
The drainage of the city is not good, some of the pipes are broken.
这个城市的排水系统不好,有些排水管都破裂了。
Key Technology and Design of Outdoor Wastewater Collection Unit in Vacuum Sewerage System
真空排水系统室外集水单元的关键技术与设计
Install the intake manifold (refer to Group 11, Exhaust System and Intake Manifold).
安装进气歧管（见单元11-排气系统和进气歧管）。
Remove the intake manifold (refer to Group 11, Exhaust System and Intake Manifold).
拆下进气歧管（见单元11-排气系统和进气歧管）。
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。
GIS-Based Urban Drainage Pipe Network Information System
基于GIS的城市排水管网信息系统
a system of watercourses or drains for carrying off excess water.
河道或管道排除多余的水的系统。
Data Quality Assessment and Control for Drainage Network GIS;
排水管网GIS系统数据质量评价与控制
Function Design of Geographic Information System for Urban Drainage Network;
城市排水管网地理信息系统功能设计