constructing items的用法和样例：
例句
- The constructing project of the Caofeidian Industry Zone in Tangshan City is a national key project.
摘要唐山市曹妃甸工业区建设项目是国家级的重点建设项目，水源保障是该项目立项的关键。 - Units constructing projects that cause pollution to the environment must observe the state provisions concerning environmental protection for such construction projects.
建设污染环境的项目，必须遵守国家有关建设项目环境保护管理的规定。
