橡胶的硬化
Hardening of rubber
以上为机器翻译结果，长、整句建议使用 人工翻译 。
分别用平板法及圆环法测试研究了不同代砂率的橡胶砂浆在塑性阶段及硬化早期阶段的收缩开裂性能。
Properties of anti-cracking of rubberized mortar were studied at plastic stage and hard stage by the method of board and ring devices respectively.
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