????:1???????:600?????

2???????????

3??????????

4?????300?3????

5????????

????????1???3??? (???????? ????????? ????????????????)?????3?????

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

???15??????,?????????????????

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

??,????????6.2?????,????????????,??550????,?????

?,?????????????????,?????????????,????170??????????,?????????????????????

??,??,?????????????????????????,??????????????160??,???5????,????????????????6??,??????10????????????,????20%?(??????) ??????:????????????