Green-pressing density, simulated green-pressing strength and bonding momental of highfrequencybrazing were assayed.
测定了它们的冷压生坯密度、模拟生坯强度以及高频钎焊的结合力矩；
2
Solder factory is mainly engaged in the production and marketing of products, aluminum copper alloy brazing flame or high-frequencybrazing material.
本厂主要从事焊锡制品的生产和销售，铝铜合金的火焰钎焊或者高频钎焊材料。
3
Brazing quality and product reliability are both increased as using highfrequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.