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试验中发现一些焊缝热影响在近母材表面处的宽度比同条焊缝热影响区基它处宽度要小，并试析其原因。
热影响区近母材表面处的宽度
【摘 要】
：
试验中发现一些焊缝热影响在近母材表面处的宽度比同条焊缝热影响区基它处宽度要小，并试析其原因。
【机 构】
：
广东梅州市梅雁企业集团公司
【出 处】
：
焊接技术
【发表日期】
：
1997年3期
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