drainage system造句

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

2、Optimum Configuration of LP Heater Drainage System for 1000 MW Units
1000MW机组低压加热器疏水系统的优化配置

3、Design for the Drainage System of Addis Ababa Ring-road Project
亚的斯亚贝巴市环城道路排水系统设计

4、This area was very marshy before the drainage system was installed.
在疏竣工程安置前，这区域是象湿地样的。

5、Also the design and calculation of their water drainage system are added.
介绍绿地、花坛的构造、排水系统的类型以及排水系统的设计计算方法。

6、If no drainage system exists, the water table rises, bringing dissolved salts to the surface.
如果没有排水系统，地下水位就会上升，把溶解的盐带到地表。

7、Frequency control technique applied to drainage system of LP heaters
变频调速技术在低压加热器疏水系统中的应用