water engineering

• 水利工程

water engineering的用法和样例：

例句

1. We have also built150small water conservancy works.
   我们还修建了一百五十项小型水利工程。
2. Now we have to rebuild the existing water conservation facilities and dig wells in some places.
   现在要考虑对原来的水利工程进行修补，有的地方要打一点井。