??????????:??????????????

????:???????:????vx

????????2????????20????????????? ???????????????,??(VDA)19??,?????????????????????25%????????“?????”?

???,“??????”,????????????

??????(DIHK)???????:“???,?????????”

???VDA????DIHK??????????,???13%??????,??

??????????18????,???????????25%??????????????,?????????4??2?? ??:????