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

????:????:????150???

?6????18????????????????(??????? ?)??????????????????18??,???,??

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

6???????????25?,?????????????????????????“??”???,??,?“?????????????”????????????????????5??4???????“??????????????????”????

?????????

?????????,??????????????,?????1600????????,????????????4?10???22.5??,??

??770???,??1?????????????????????????????10??????1??????22.5????????????????6???????????????????????,???????????????????????????,??50????????

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

???????????????????????????????????????????????????????,??,????????????????????????,????????????????????????,????,???????????????2000??????????????????8???????????

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

???????????:??????????????