关于toothing的百科

• toothing造句怎么写

• Horology.involutetoothinggears.normaltoothing.Thispaperdescribesthetoothformsofanexternaltoothingandchamferinggearshapingcutterandchamferinggearshapercuttersdesignedbyoldroutine.Thispaperproposesanoptimizationmethodontheplateshavingcutter,itsoptimals...
• 2016-12-0321159