?? ??????????????????3800???
????:1?????????????:????????
2???100????????
3??????????
4??????
5????????
???6??????20????????????????? (???)?????20?,??????????5????,??????????3800?????????????,????2.2??????????????????????,12????????????????????????????
?????????????“???”????????????,??????,????,??????
?,?????????,???????????????“??????????????????”???????,?????????????????????????,???????????????,????????????????????????????????????,?????????????30?????10?????????????????????????????,?????????????????????????????????,????
???????????????????,??,???????;??????,????;?????????,???,?????????????(??????????) ???:??????????????