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针对两起球罐局部焊后热处理温度超差的质量事故,对模拟试板进行试验研究。说明质量问题的严重性,并提出了切实可行的预防措施。
Aiming at the mass accident of partial post-weld heat treatment temperature difference of two spherical tanks, the simulated test plate was tested. Describe the seriousness of the quality problem and put forward practical preventive measures.