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真空钎焊缝中主要缺陷为未钎透，并对条状未钎透和网状未钎透进行了分析。
The main defect in vacuum brazing Joints is that the filler metal does not penetrate…
youdao
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真空钎焊缝中主要缺陷为未钎透，并对条状未钎透和网状未钎透进行了分析。
The main defect in vacuum brazing Joints is that the filler metal does not penetrate…
youdao