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用“toothing”造句大全，toothing造句

用“toothing”造句大全，toothing造句

2016-12-03
Horology.involutetoothinggears.normaltoothing.Thispaperdescribesthetoothformsofanexternaltoothingandchamferinggearshapingcutterandchamferinggearshapercuttersdesignedbyoldroutine.Thispaperproposesanopt...