??

??????

?????????6?????????17???????? (?????????)????????????????????:5???,??????????????????????????????????????????????????????????????“????”????????,??????,?????,????????????????????,??,????????

??,?????????????????????????????????15????????1800?????,???????????????????,???????????????,???????????18.36??????????????7804???????????,????1585???????????,??,??17.62?????,??29.42??????????????????????

????,???????????????,???,??????????????,???,???????,????????????????,??????????230????,????700??????????23.1??,????????????7.8???

???,????????????????,?????????????????????????????????????????????????,??(?????????????????) ???????????:????????????????? “????????”_????

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

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

2???600?4???

3???????

4?????????

5?????qq???

??

??????

?????????6?????????17???????? (?????????)????????????????????:5???,??????????????????????????????????????????????????????????????“????”????????,??????,?????,????????????????????,??,????????

??,?????????????????????????????????15????????1800?????,???????????????????,???????????????,???????????18.36??????????????7804???????????,????1585???????????,??,??17.62?????,??29.42??????????????????????

????,???????????????,???,??????????????,???,???????,????????????????,??????????230????,????700??????????23.1??,????????????7.8???

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