?? ???????????1.7?? ????????2.6???
????:1???????500?4???:???????
2???????????
3??????????
4????????
5????????????
???,?1.7??,??6.3???????1??????????????10?,???????????????????????????????????????????????????????????????2.6??
??????????????????????????????????,?,?“??”,????,?????????????,????“?????????”??????????????“??????????”?
?? ???:“????????”?????“???????????”????,?????????????????????
???,??“??????”????,?????????1000?????????????????????,??,?????????????????????“??????????????????????????????????”?????????????,??????
????,?????????,?“????”????“?”?????????????????,???????????
?????? ????:???????28.6????????,???????????700????????????,???8500???,??12??????????(??) ???:?????????