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對(duì)于超高強(qiáng)度鋼(如D406A,抗拉強(qiáng)度1670MPa),切削速度中系數(shù)怎么確定,?+ P" {1 V* E0 q9 O
切削力中系數(shù)怎么確定,?. ^4 [/ K- g$ c" |
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