1, a large degree of damage on the ground, to punch slot <br>2, high design requirements on the floor, on the ground laying of reinforcement required by the carrier
1, the degree of damage to the ground, need to punch the opening<br>2, the design of the floor is high requirements, the ground bearing steel is required to lay ...
1. The damage to the ground is large, so it needs to be drilled and slotted<br>2. The design requirements for the floor are high, and there are requirements for the laying of ground bearing steel bars<br>