?????????????6??99.9%

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

??????7?????31??????????? ????(??????????)31??6??????????????,????5400????????????????????,????5???????????????????,????????,?????99.9%?

????(???????????????????)??????????? ???????

???,??????1500???,?3900?????????,????????????????????????????????????????????????????????????????????????????????????????????????

?1900????????;???????500???;???????????500????????????;?900???????????;?700??????????????;??????????900??(??????????????????)?

?????????????????5??,????????????

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

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