研究了湿应力开裂过程并提出了估算水分扩散系数和吸湿深度的方法。
The methods to estimate the moisture diffusivity and the absorption depth were developed for the fissure rice caused by the wet stress.
刨花板在制造和使用过程，由于水分的变化而产生湿应力。
Particleboard gives rise to wet stress in the course of manufacture and use owing to the change of moisture content.
路基的热状况、水分状况与变化规律及由此引起的应力重分布是引起道路冻害的主要因素。
Both the condition of the heat, the moisture of the subgrade, their changing law and the stress distributing are the key factors to cause the frost damages.
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