1?????6????????????,????,?????

???????,??????568.8??????,??????????????????,???V???????,????????????????????,???????????????????????????????????????????,???????????????

????,??????,???????????????,??,??,??

?“????”?????,??????????????????700???????,??,??????????5???????????2???????

(??? ??) ????:?? “?????150???”????

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

????:1??????150???:??????300

2????

3??????????

4???????

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

1?????6????????????,????,?????

???????,??????568.8??????,??????????????????,???V???????,????????????????????,???????????????????????????????????????????,???????????????

????,??????,???????????????,??,??,??

?“????”?????,??????????????????700???????,??,??????????5???????????2???????

(??? ??) ????:??