The result proves that reclaimed concrete perforated brick is a brittle material that will not accrue to crack under normal service modes so it can be a new wall material substitute for clay brick.
结果表明，再生混凝土多孔砖是脆性材料，在正常的使用状态下，不会出现裂缝，可以成为替代黏土砖的一种新型墙体材料。
Polypropylene material is used by the surface layer, and reclaimed polypropylene is used by the inner sandwich layer.
表面层用聚丙烯材料，内夹层用再生聚丙烯。
In the processing process of preparing the reclaimed rubber, the composition generates no waste gas, waste water and waste material.
利用该组合物在制备再生胶的加工过程中不产生废气、废水和废料。
In the processing process of preparing the reclaimed rubber, the composition generates no waste gas, waste water and waste material.
利用该组合物在制备再生胶的加工过程中不产生废气、废水和废料。
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