C69400 硅黄铜C69430

C69400 硅黄铜C69430硅黄铜硅黄铜H90,硅黄铜H80,硅黄铜H68,硅黄铜H62,硅黄铜H90,硅黄CW708R硅黄铜铜H80,硅黄铜H68,硅黄铜H62,硅黄铜HSi75-3硅黄铜硅黄铜HSi80-3硅黄铜ZCuZn16Si4硅黄铜CuZn31Si硅黄铜C69400 硅黄铜C69430硅黄铜CW708R; 硅青铜CuNi2Si 硅黄铜QSi3-1 硅黄铜QSi1-3 硅黄铜QSi3.5-3-1.5 硅黄铜C64720 硅黄铜C64730 硅黄铜C65500 硅黄铜C65100CuZn31Si硅黄铜C69400 硅黄C69400 硅黄铜C69430硅黄铜铜C69430硅黄铜CW708R; 硅青铜CuNi2Si 硅黄铜QSi3-1 硅黄铜QSi1-3 硅黄铜QSi3.5-3-1.5 硅黄铜C64720 硅黄铜C64730 硅黄铜C65500 硅黄铜C65100