国产美女裸体永久免费观看,国产亚洲国际精品福利,中文字幕日韩精品一二三区,怡红院AV一区二区三区

This series of machine tools is a CNC dynamic column drilling and milling machine. After one clamping, the workpiece can automatically and continuously complete various processes such as milling, drilling, expanding, turning, tapping, etc. The machine tool is suitable for multi variety and small batch processing of complex parts such as long plates and shell parts.