棕刚玉 Corundum; 碳化硅 Carborundum; 白刚玉White Alundum; 黑刚玉Black Corundum; 铝矾土Bauxite; 除锈砂Derusting Sand; 高铝球High Aluminium Ba; 捣打..
棕刚玉 Corundum;碳化硅 Carborundum;白刚玉WhiteAlundum;黑刚玉Black Corundum;铝矾土Bauxite;除锈砂Derusting Sand;高铝球HighAluminium Ba;捣打料Ramming ..