✔ 最佳答案
The first time, the highest in the world of railway construction, he can use a very small cost to the building, but he is very focused on the protection of the environment, so he put a great <br> Cost for environmental protection work such as construction, right wood, so that the face of the plateau is not damaged. <br> Followed by Sichuan, the earthquake damage as a result of the railway was, leading to difficulties in material supply and local labor should not return to their hometowns, xx mobilized more than 1,200 <br> Railway workers and more than 300 engineering equipment car intense work, the railway opened, the delivery of relief supplies and personnel efficiency are greatly enhanced.