sand mulling
... 练砂机：sand muller 练砂：sand mulling 联生结晶：epitaxial solidification ...
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练砂机 sand muller
硬练砂浆强度试验 early-dry mortar strength test
硬练胶砂强度试验 earth-dry mortar strength-test
坚练胶砂 dry mortar
·2,447,543篇论文数据，部分数据来源于NoteExpress
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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