因为焊接过程的复杂性，所以很难通过实验的方法对焊接过程产热和应力分布进行研究。
Because of the complexity of welding process, the research of weld process produce hot and stress through method of experiment is very difficulty.
因为焊接过程的复杂性，所以很难通过实验的方法对焊接过程产热和应力分布进行研究。
Because of the complexity of welding process, the research of weld process produce hot and stress through method of experiment is very difficulty.
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