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

????:400??3???????:??????

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

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

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

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

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

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

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