曲面三轴数控加工
3D NC Manufacture for Free-form Surface
五轴数控加工
5-axis NC machining
axis NC machining
5-axis CNC machining
5-axis Machining
5-axis numerical control machining
five-axis NC machining
浅析数控加工工艺
Brief Analysis on Numerical Control Machining
数控加工工艺
CNC machining process
NC machining process
NC machining technology
numerical-control machining technique
NC technology
Technology of Numerical Control Processing
多轴数控
Multi-axis numerical control
多轴数控机床
multi-axis NC machine tool
活塞加工多工位组合机床
multiple station combined machine for piston machining
5轴联动数控加工
5 axis simultaneous NC macLining
5 axes simultaneous NC machining