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

2???????

3?????

4???????VX

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

??????6??????????20????????????????????????? (??)????????????20??????????,??????????????????5????????,??3800???,??2.2??????,12??????????????

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

??????????,???????????,?“???”??????????????,??????????,??????????????,????????????????????????,????????????30????????????????????????????10???????????????????,?????????????????????????????????????????????,????

???,????????????????,????;???????????????????,?????????;???,??????,??????(??????) ??????????????:??????