- Inthispaper,weintroduceaCNCmachiningtechniqueofletteringontaper-surfacethroughtadoptingthethree-axisCNCandmultipleaxisindexingmechanismandsoon."Thetheoryaboutemotioncenter"isthemainthreadinancientChinesepoeticswhichwascarriedthroughtfromearlyQindyn...
- 18985