?? ??????????????6????

????:1???????????:???????
2?9598????
3????????
4?????qt??
5???????
????2?22??(?????????????????? ??????????)?????????22??(???“??????”)???????????,???6???????????????15???????????????
???,???????????D???,????,??????,?????

???????????,??????;??,??
??,??????,??????50‰??,???????????,???????4????????6???????????,????????,???
????2428?????????????/?????????????,?????????????27???????????,????????????????

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