注意,封胶其实是很软的,并不是硬塑料。
再经软练胶砂强度试验,证明是理想的活性混合材料。
Through plastic mortar strength test, it has been proved as the ideal active admixture.
再经软练胶砂强度试验,证明是理想的活性混合材料。
Through plastic mortar strength test, it has been proved as the ideal active admixture.
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