1.
Study on Groundwater Simulation and Water-salt Balance to Irrigation and Drain System in Arid Area;
干旱区灌排系统地下水模拟与水盐平衡研究
2.
Code for design of dock gates and filling and emptying systems of dry docks
干船坞坞门及灌水排水系统设计规范
3.
These make up a complete irrigation-drainage network.
这些（河渠）构成一个完整的排灌系统。
4.
Branch canals and ditches were dug to form a system of irrigation and drainage.
挖了一些支渠，形成了一个排灌系统。
5.
Research on Designing Method and Principle for Sand Funnel of Drip Irrigation
渠水滴灌系统漏斗排沙池设计原理与方法研究
6.
Introduction,Adaptation and Application of Wetland-Reservoir-Subirrigation-System in Rice-based Irrigation Systems of South China
灌溉-排水-湿地综合管理系统的引进和改造应用
7.
High-rise residential ventilation and exhaust flue gas flow backward Road Analysis System
高层住宅的通风与排烟道烟气倒灌系统的分析
8.
exhaust emission control system
排气排放物控制系统
9.
excretory system, human
排泄系统(人类的)
10.
drip irrigation and fertilization system
点滴灌溉及施肥系统
11.
sprinkler system with travelling pipe
移动管道式喷灌系统
12.
concrete placement systems & equipment
混凝土浇灌系统与设备
13.
outlet for water in a sprinkler system
喷灌系统中的出水口
14.
canals joining reservoirs type irrigation system
长藤结瓜式灌溉系统
15.
The loan is repayable over30 years and will be used to build an irrigation and drainage system in a5,000 hectare cotton plantation in the province of Kwanza Sul, a government spokesperson said.
政府发言人说，贷款期限为30年，将用于南宽扎省5000公顷棉花园灌溉和排水系统的建设。
16.
Influence of Designed Water Application Ratio on Drip Irrigation System Cost
滴灌系统设计供水比对滴灌费用的影响
17.
Optimization Scheme of Low Pressure Trickle System and Study on Irrigation Uniformity;
滴灌系统优化设计与灌水均匀度的研究
18.
Reasearch on Decision Making Support System for Precise Irrigation of Wheat in the Hexi Oasis Irrigation Areas;
河西绿洲灌区春小麦精确灌溉决策系统研究