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 統(tǒng)一編號:0603引用標(biāo)準(zhǔn)編號:GB10483-89車型序號檢查項目車型CA10BCA10CCA15CA141EQ140EQ140-1圖號120-1007015120-1007015120-10070151007012-0110C-0701210C-070121材料(盤部)4Cr10Si2Mo40Cr10Si2M04Cr9Si2 (桿部)40Cr21-4N21-4N2氣門硬度HB241~302HRC32~40HRC28~36☆3氣門桿端部 (共 722 字) [閱讀本文] >>