It can not be entirely grasped Coagulation material because of the complexity of the structure.

由于混凝材料组成结构的复杂性，对混凝土的低温下力学性能还不能完全准确掌握。

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It can not be entirely grasped Coagulation material because of the complexity of the structure.

由于混凝材料组成结构的复杂性，对混凝土的低温下力学性能还不能完全准确掌握。

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