在滚动轴承类型和型号的选择过程中，会经常出现所选用的轴承不能适用于实际的工作环境，其所受的冲击载荷超出了该轴承的许用载荷。
In the selection of rolling bearing's types and models, some selected bearings can not be applied to the actual working environment, suffered the impact load in excess of the allowable load.
分析了板翅式换热器封头接管外载荷产生的原因和进行许用接管载荷计算的必要性。
The cause of externally applied pipe load to brazed aluminum heat exchanger and the necessity of calculating allowable pipe load are analyzing.
分析了板翅式换热器封头接管外载荷产生的原因和进行许用接管载荷计算的必要性。
The cause of externally applied pipe load to brazed aluminum heat exchanger and the necessity of calculating allowable pipe load are analyzing.
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