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This practice is much more common with low hydrogen electrodes, since the core wire melts up inside the flux coating.
这种做法较为普遍,低氢焊条,因为融化的核心线内的通量涂层。
youdao
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This practice is much more common with low hydrogen electrodes, since the core wire melts up inside the flux coating.
这种做法较为普遍,低氢焊条,因为融化的核心线内的通量涂层。
youdao