美国建筑业巨头柏克德涉足了很多世界上最大最为知名的工程项目。

US construction giant Bechtel has been involved in some of the world's best-known and biggest engineering projects.

youdao

美国建筑业巨头柏克德涉足了很多世界上最大最为知名的工程项目。

US construction giant Bechtel has been involved in some of the world's best-known and biggest engineering projects.

youdao