key project的用法和樣例：
例句
- A brief introduction about the automation system for Xixi Ship-lock of Chaozhou Water Supply Project is given herein.
摘要介紹了潮州供水樞紐工程西溪船閘綜合自動化系統的概況。 - In recent years, continuous prestressed concrete curved box-girder structure is widely used in the domestic and international large interchange project.
近幾年，在國內外大型立交樞紐工程中，預應力混凝土連續彎箱梁結構得到了廣泛的應用。
