RuT300蠕墨铸铁 耐磨衬板,衬套RuT300机械曲轴 ¥10.00 BTMCr12Mn2W铸铁 耐磨衬板BTMCr12Mn2W机械曲轴 ¥11.50 Ni-Hard1国际镍硬铸铁 Ni-Hard1耐磨衬板,衬套 ¥11.50 BTMCr12-DT高铬铸铁厚板 BTMCr12-DT耐磨衬板 ¥8.00 BTMCr12-GT高铬铸铁板 BTMCr12-GT耐磨衬板,衬套 ¥13.00 BTMCr15高铬铸铁 BTMCr15耐磨衬板 衬套 机械曲轴 ¥10.00