Silver Brazing Method: Apply brazing wire or rod at point where tube enters valve socket.
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。
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。