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

2????????

3?90??????

4?????????

5???????????

??12??28????????????? (????)28?????????,?2000??????“?66”?????????4???,???,?????

28????,??????????,????2000???????“????66”?????4??? ?????????? ??????????????

??????,????????,??????????????,???2700?????????,????

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

???,???????????????????,????????????????????????,?????????????????,????????????????????,????????????????????????????????????????????????????????“????”??????????,?“??????????”?

“????????????????,???????????”????????,??,????????,???,??????“????????????????”?(???????????)

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