????????????2?????????????14????????????????????? (??????)?14????????????????????,??,??6??????,??????????????????

????????6??????? ??????

?????????????????????6???????????????????????,??,???,??????????????,??????????6.7???,??????????????4?????????

?????,???????????6??????,????????????????????????????????,????????

??????6?,?????????????????,??,??????????????(??????)

??:?????

??

??:???????????,??????????,??????????????