1.
Study on the PVC-U Drainage Pipe Riser in Seven Floors;
七层建筑PVC-U排水立管试验研究
2.
An Experiment Study on the Influence of the Seven-Floor PVC-U Draining Stack Pipe on Trap-Seal;
七层PVC-U排水立管压力对水封影响的试验研究
3.
The Experimental Research on the Maximum Allowable Fullness Ratio (α) of UPVC Plastic Drainage Stack;
UPVC塑料排水立管最大允许充水率α值的试验研究
4.
The assumption of horizontal flow in the vicinity of the drains fails.
在排水管附近水平流动的假设不成立。
5.
Specification for design of specific single stack drainage system
特殊单立管排水系统设计规程
6.
A hole or pipe in a wall to allow water to run off.
墙上排水孔，墙上排水管
7.
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
8.
Talk about Role of Work of Legislating and Enforcing Law in Urban Flood Control and Drainage Management;
论立法执法工作在城市防洪排水管理中的作用
9.
Research on the Building and Applying of ISO9001 in WD Company
WD混凝土排水管公司ISO9001建立与实施研究
10.
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
11.
A pipe for carrying off water or sewage.
排水管排水或污水的管子
12.
Quantifying Direct N_2O Emissions from Paddy Fields During Rice Growing Season in China:Model Establishment
不同水分管理方式下水稻生长季N_2O排放量估算:模型建立
13.
Install drain hose to vent tube at bottom of pump.
在水泵底部安装排放管到排水管。
14.
Down Feed Riser
下供立管（俗名落水立管）
15.
Water escaped rapidly from the drainpipe.
水从排水管中迅速流出。
16.
felt the drain starting to suck.
感到排水管开始吸水
17.
blow-off branch
放水支管, 排汽支管
18.
Study of Water Resources Management System in Middle-Small Irrigation District--Theory and Practice of Self-financing Irrigation and Drainage District;
中小型灌区水资源管理体制探索——经济自立排灌区（SIDD）的理论与实践