1.
Scaffold steel pipes should be made of φ 48.
3 × 3.
6 steel pipes, and the maximum weight of each steel pipe should not exceed 25.
8Kg;.
The gantry crane at the construction site of Shenzhen Metro Line 20 collapsed, resulting in 2 deaths and 6 injuries
The standardized practice and construction technology of basement anti-seepage joints are explained in detail, which is absolutely worth
The director received money and was reported by the construction company, lost his certificate, lost his job
