thermal expansion and contraction

welding involved in stress is due to uneven thermal expansion and contraction generated.

焊接参与应力是由于热胀和收缩不均匀产生的。

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As the spray coating line is in the non-linear distribution, the stress of a spray coating material due to thermal expansion and contraction can not deform the filling structure.

由于喷涂线呈非直线分布，喷涂材料热胀冷缩产生的应力不会导致填充结构变形。

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Discussion on new-type colligation demonstration meter on thermal expansion and contraction of solid and exploring of physical principle

新型固体热胀冷缩综合演示仪与相关物理原理的讨论

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therefore the object is to produce the phenomenon of thermal expansion and contraction of the premise of thermal stress.

因此，物体热胀冷缩现象是产生热应力的前提。

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testes in the scrotum outside the body, the thermal expansion and contraction from the scrotum to regulate the testicular temperature.

外的身体阴囊睾丸，热膨胀和收缩的阴囊调节睾丸温度。

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The low melting-point eutectic films crack under the welding tensile stress caused by thermal expansion and contraction of magnesium alloy. The formation mechanism of liquefied cracks is similar to crystallization cracks.

液化裂纹的产生机理与焊缝结晶裂纹相似，即同样是在低熔点的液态薄膜的形成和焊接拉应力作用下产生。

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The paper summarized the negative thermal expansion coefficient compounds and their contraction mechanism reported in recent 20 years.

综述了近20年有关负膨胀系数化合物及其收缩机理的报道；

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