用20CrMnTiH造句子,“20CrMnTiH”造句
來源:國語幫 2.6W
Process Practice of Gear Steel 20CrMnTiH Production with 70 t LD-LF-CC Flow Sheet at Chengde Jianlong Steel
Critical strain model of 20CrMnTiH steel
Control of Oxygen Content in 20CrMnTiH Gear Steel
Process Practice of Gear Steel 20CrMnTiH Production with 70 t LD-LF-CC Flow Sheet at Chengde Jianlong Steel
Critical strain model of 20CrMnTiH steel
Control of Oxygen Content in 20CrMnTiH Gear Steel