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

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

2?????????10??????????,????????????,????????(???)??????,8????????,?,???????,?????????

????,????,?????????????????3?????????????????????????????,???700???????????????????????????????,????????98.2%?

?????????????????????(????)?8???,???70?????52?????????,????????????????20??????????

??????????,????2?20??????????1???????????????????????????????15?,???500???,??????????(??????? ???)

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