Silver brazing method : apply brazing wire or rod at point where tube enters valve socket 银钎焊法：将焊线或焊杆点在阀门里的管道套座上。
2.
Copper and copper alloys - plumbing fittings - fittings with ends for capillary soldering or capillary brazing to copper tubes 铜和铜合金.管路接头.铜管毛细管钎焊法或铜焊法用端头接头
