The floor cavity packing light quality padding, the principal constituent for the cement, the foaming agent, its function is: Enhances the floor intensity, rigid bearing capacity.
地板内腔填充轻质填料，主要成分为水泥、发泡剂，其作用为：提高地板强度、刚性承载能力。
Because of low vertical bearing capacity, especially horizontal bearing capacity, row-lock cavity wall has not enough bearing capacity, so that cracks are often found on row-lock cavity wall.
但由于空斗墙竖向承载能力和水平向承载能力都较低，空斗墙承载能力不足从而引起墙体开裂的情况时有发生。
The tray cavity is extremely complete and regular by rotatably cutting at first and then extruding and enlarging, and the bearing capacity of the piles can be further improved.
因为是先旋切后挤扩，使挤扩出的盘腔非常完整并且规则，可进一步提高桩的承载力。
The tray cavity is extremely complete and regular by rotatably cutting at first and then extruding and enlarging, and the bearing capacity of the piles can be further improved.
因为是先旋切后挤扩，使挤扩出的盘腔非常完整并且规则，可进一步提高桩的承载力。
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