碱-碳酸盐反应是由原地化学反应和结晶压引起膨胀。
The expansion of alkali-carbonate reaction is caused by topochemical reaction and pressure of crystallization.
其冻融破坏特征是盐结晶压导致混凝土膨胀开裂。
Freezing - thawing damage of concretes saturated in bitterns was characterized as cracking caused by salt crystallization swelling.
真空结晶器属于外压容器，在使用过程中，经常因刚度不足而导致失效，使容器失去了原来的形状，从而影响生产的正常进行。
In the using process, no enough stiffness of vacuum crystallizer led to failure, so it lost the original shape and had a great influence on the normal control of production.
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