通过采用中频感应钎焊消除了气体火焰钎焊焊接转子并头套的缺陷，为后续产品采用中频感应钎焊焊接线圈并头套提供了依据。
By adoption medium frequency induction brazing, we eliminate the problems in the flame brazing. This gave us data that we use medium frequency induction brazing in the subsequent productions.
按合金组份配制的原料用氧化铝坩埚在真空中频感应炉中熔键成方坯条，再轧制成丝坯，最后拉制成钎焊丝材。
The Starting material is melted and poured into the quadrate billets, then rolled out in wire rods, finally drawn into brazing wire.
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