Lightweight Concrete Additives | High-Performance Foaming Agents for Cellular Concrete
Additive refers to any substance that is added to a material, such as、。，（、）、。
(how to measure amount of additive in concrete)
1. ：
。，。
2. ：
，。，。
3. ：
，，，，。，。
4. ：
，。。
5. ：
。。
6. ：
。，。
(how to measure amount of additive in concrete)
，。，，。
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