Introduction - If you have any usage issues, please Google them yourself
The characteristics of construction of metro rail transit are that the construction scale is huge, the construction speed is super-fast and it is a heavy task. And it also has to face with a complex surface and underground environment, so the security issues are very conspicuous. The investigation of the cause of accident in construction at home and abroad is indicative of its controllability, that most accidents can be avoided through technology and management methods. So the primary task of safety managem