Start construction on 20 water conservancy projects;

开工20项重大水利工程；

Sino-Russian crude oil refinery to start construction.

中俄联合炼油厂将于下半年开工建设。

Work out the exact design before you start construction.

开工前想好具体设计。

The developer said it plans to start construction within six months.

绿地集团表示，计划在六个月内开始动工建设。