Զ           ԭ             ڲ             ˼

   V,                L,               *LINE                 ֱ
   Q,                O,               *OFFSET               ƫ
   CF,               CO,              *COPY                 
   VF,               PL,              *PLINE                
   DF,               DI,              *DIST                 
   SVF,              SPL,             *SPLINE               
   SD              DI,              *DIST                 
ĺļ  ֱӸƵCADļ

V,         *LINE
Q,         *OFFSET
CF,        *COPY
VF,        *PLINE
DF,        *DIST
SVF,       *SPLINE
SD       *DIST
