7????????20????,?“??A???”??,?“??A???”??????????????????????????????18???30??????“?”??????????????????400?????????????????????19????????30??????????,?,????“???A?”??,???????15??,??????“??????A??”??“??”“??”?????,??“??”?“????????”?

(?? ???????????????? ??? ???)

??????:????

??“????????”????

?? “??A????????”?“??”?

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

2?????

3?????VX

4???????

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

7????????20????,?“??A???”??,?“??A???”??????????????????????????????18???30??????“?”??????????????????400?????????????????????19????????30??????????,?,????“???A?”??,???????15??,??????“??????A??”??“??”“??”?????,??“??”?“????????”?

(?? ???????????????? ??? ???)

??????:????