STEP程序\STEP.dsw ........\STEP.ncb ........\STEP.plg ........\STEP.dsp ........\cylinder.stp ........\main.cpp ........\step.cpp ........\step.h ........\Debug\vc60.idb ........\.....\vc60.pdb ........\.....\STEP.exe ........\.....\STEP.pdb ........\.....\main.obj ........\.....\STEP.pch ........\.....\step.obj ........\.....\STEP.ilk ........\STEP.opt ........\Debug STEP程序