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;.
[992 | travel] Handan: these sections are cut off for construction, and 16 buses are temporarily bypassed!
Which is the qualification of intelligent company? Where is the qualification level of Sichuan construction enterprises checked?
