请大家帮个忙
下面代码是什么意思啊
CAVITY_MILL.
ZLEVEL_FOLLOW_CORE.
CORNER_ROUGH.
PLUNGE_MILLING.
ZLEVEL_PROFILE_STEEP.
ZLEVEL_CORNER.
FIXED_CONTOUR.
CONTOUR_AREA.
CONTOUR_AREA_NON_STEEP.
CONTOUR_AERA_DTR_STEEP.
CONTOUR_SURFACE_AREA.
FLOWCUT_SINGLE.
FLOWCUT_MULTIPLE.
FLOWCUT_REF_TOOL.
FLOWCUT_SMOOTH.
PROFILE_3D.
CONTOUR_TEXT.
MILL_USER.
MILL_CONTROL.
MILL_PLANAR.
MILL_CONTOUR.
MILL_MULTI__AXIS.
DRILL.
HOLE_MAKING.
TURNING.WIRE_EDM.