??1?????????7???????????????? (??? ??????????? ????????????????????)?????7????????????????????,??6.8??,???????????????????????????????????????????????2.2???

???,1?????????7?9????5???????????,???(?????????????????????28.50?????????,??????????????????????87.45???)????????6.8????????????,??????????????10?????????????????????,???????????????

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

????1500???

?????,?,??????????????????????????????????????????????????2.2????????,??????????????,??????????????(?) ????????????:??? ??“??????vx”????

?? ??????? ????????2.2???????

????:1???????vx:?????

2?????

3????????

4???????????

5??????200????

??1?????????7???????????????? (??? ??????????? ????????????????????)?????7????????????????????,??6.8??,???????????????????????????????????????????????2.2???

???,1?????????7?9????5???????????,???(?????????????????????28.50?????????,??????????????????????87.45???)????????6.8????????????,??????????????10?????????????????????,???????????????

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

????1500???

?????,?,??????????????????????????????????????????????????2.2????????,??????????????,??????????????(?) ????????????:???