????:1?????100:??????????

2?????

3?????????

4???????????

5???????

?2??????????5?????????? (?????? ???)5?????????????????20??13????????????,????????D4249????????????????,???????1200???????

??????????????????????????? ?????????

“??18?????????????????”??43?????,?????????????,?,?????????????????????,???????????????????“??????????????????”??????????????,“??,?,??”

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

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

?????????,????“?????”??,????????????????,??????????,????????,?????,????2000?,???????????10?????????200??

?,?????????????????????????(2?????????????2???)?,?????????????????????????????????????????????,????????????????“??”????

2????6??7?????????????????????,??????????????????????40????????????????????????,????(??)

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