統(tǒng)一編號:0602引用標(biāo)準(zhǔn)編號:GB10483-89或JB3655車型序號檢查項(xiàng)目車型CA10BCA10CCA15CA141EQ140EQ140-1圖號120-1007010120-1007010120-10070101007011-0110C-0701110C-070111材料40Cr40Cr10Si2Mo45Mn22氣門硬度HB241~302HB241~302HB241~302☆3氣門桿端部硬度大于HRC50大于HRC (共 651 字) [閱讀本文] >>