发布时间: 2025年08月18日 06:45
个人看法: weld to join two pieces of metal together permanently by melting the parts that touch. 焊接 solder to join pieces of metal together using solder. 锡焊,软钎焊 braze To solder (two pieces of metal) together using a hard solder with a high melting point. 铜焊,硬钎焊
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