标 准 编 号：BS EN 22553-1995 简体中文标题：焊接、铜焊和软钎焊连接件.制图符号标注 繁体中文标题：焊接、铜焊和软钎焊连接件.制图符号标注 English Name：Welded, brazed and soldered joints - Symbolic representation on drawings ...