low melting point alloyləuˈmeltiŋpɔintˈælɔi 基本例句 低熔点合金 For the purpose of head welding on the steel with some low thermo metal, the automatic are brazing technology and arc automatic brazing equipment are designed.摘要针对企业对钢件产品需堆焊一定厚度的低熔点合金的要求,提出了电弧钎焊的焊接工艺,开发了自动钎焊装置。