高耐磨耐磨青铜 高耐磨铝青铜合金 高硬度高导热铍铜合金 铜合金; AMPCOLOY940 AMPCO15;AMPCO18; AMPCO21; AMPCO22; AMPCO25; AMPCO26; AMPCOLOY940;AMPCOLOY944; AMPCOLOY83; AMPCOLOY88; AMPCOLOY89; AMPCOLOY91铜合金:AMPCOLOY940,
AMPCO15,AMPCO18,AMPCO18.136,AMPCO18.22,AMPCO18.23,AMPCO21,AMPCO22,AMPCO25,AMPCO26,AMPCO45,GZ-CuAl10Ni,AMPCO483,AMPCO642,AMPCO673,AMPCO674,AMPCOLOY94063,AMPCO972,AMPCO940,AMPCO944,AMPCO91,AMPCO95,AMPCOLOY940,AMPCOLOY9409,AMPCOLOY9403,AMPCO30,AMPCO32,AMPCO35,AMPCO712