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

2????????60??

3???500?4????????

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

5???????150?????

??(??????):??????????,?????????????5??????????27?????????,??????(6????18??????),???????????????????“??”??,????????

????1/5??,????????????????,???3.3??????????,??????????“?????????????????????”??????60?,????????9??????????,?????20??????????????????25?????,??????????98%?

???????????,??“???”?,?????????????,?????????15??????????????,????10?????????????????,?????

???????,???????????,???????,???????????????????,?300?????????????????????????730????,??????????????????,??????????????????????????????14????????,????????????2.14???,????????6500??,??

???????????,????????????????,???????,????? ??:??????????????