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

2????????

3?????98???

4?????????

5??????????

??????????2???19????(??????????)19???,??????????,????“???????”????,??????????,????????“????”?

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

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

????????????????????,???????2.8??????????????????,??,??????????????????????JD605?????????????????“?????????????????????????”????,???????????????????????

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

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

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

?????:???