机械加工表面多孔管
mechanically processed tube with porous surface
机械加工镗孔表面
machined counterbore surface
平面加工工艺
surface manufacturing process
表面加工方式
surface manufacturing condition
表面加工技术
Surface-micromachining process
surface-micromaching process
表面微加工工艺
Surface-micromachining process
超光滑表面加工
super smooth surface processing