???????????????2??22????(?? ??????)???22??(?????????????“????”)??????,??6????15??

????????,?????????????D?????????,???????????,??,????????????

?????????15????????????????? ?????????????

??????,??????????;??????,?????????

??????,?????????????,??????????50‰????,??,???????????4??????????6???????,?,???????

?????????2428????/????,?27???????????????????,??

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

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

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

???:?? “????????”_????

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

????:1?????????:??????????

2???????????

3?????????

4????????

5?????????

???????????????2??22????(?? ??????)???22??(?????????????“????”)??????,??6????15??

????????,?????????????D?????????,???????????,??,????????????

?????????15????????????????? ?????????????

??????,??????????;??????,?????????

??????,?????????????,??????????50‰????,??,???????????4??????????6???????,?,???????

?????????2428????/????,?27???????????????????,??

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

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

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

???:??