C69400?硅黃銅C69430硅黃銅硅黃銅H90,硅黃銅H80,硅黃銅H68,硅黃銅H62,硅黃銅H90,硅黃CW708R硅黃銅銅H80,硅黃銅H68,硅黃銅H62,硅黃銅HSi75-3硅黃銅硅黃銅HSi80-3硅黃銅ZCuZn16Si4硅黃銅CuZn31Si硅黃銅C69400?硅黃銅C69430硅黃銅CW708R; 硅青銅CuNi2Si?硅黃銅QSi3-1?硅黃銅QSi1-3?硅黃銅QSi3.5-3-1.5?硅黃銅C64720?硅黃銅C64730?硅黃銅C65500?硅黃銅C65100CuZn31Si硅黃銅C69400?硅黃C69400?硅黃銅C69430硅黃銅銅C69430硅黃銅CW708R; 硅青銅CuNi2Si?硅黃銅QSi3-1?硅黃銅QSi1-3?硅黃銅QSi3.5-3-1.5?硅黃銅C64720?硅黃銅C64730?硅黃銅C65500?硅黃銅C65100