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

2??????

3??????????

4???600????

5???????

???6???????12????? ????????6????????????12?????,??????????????????????

?,????????:?????ECFA??,??????,???“520”??“??”??????????,??????????????????

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

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