???????? ?????

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

??(?????????):?????,?????????,????????????,?????????,??

?????????????,??????????,??????????60%??????????,???????,???

??????,????????1800???????6????????6????,??6????????????????

?????,?????????????,????????,????????????????800?????????

??????????????????????????????????????????,????????????????????????,???????,?????????21???????????????????

6???????15???????,???????,??,??????????????????,????????????????????????,?74????85%??????

??????????????(6?16???)?????????????????,????????????????417?????????,?????????????13???????????????????,????????,?? ???:???????????