铬锰氮钢铸件，是冶金企业生产烧结矿用烧结机中的易损重要备件。

CrMnN steel casting is the key for sintering machine to produce sintering mine in metallurgy enterprises.

youdao

铬锰氮钢铸件，是冶金企业生产烧结矿用烧结机中的易损重要备件。

CrMnN steel casting is the key for sintering machine to produce sintering mine in metallurgy enterprises.

youdao