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

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

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

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

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

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

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

?????????????????,?????????????????,???

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

??:??