?? ?????????????? ??????
????:1?????:300??????????
2????????
3??????????????
4????????
5????????
???2?????3?? (?????? ??)?2???????????3??????,??,??,?????????
??????,2???2?,???(?????????101°15'????30°5')???????????,????,???????????????800?????????????
????????,??????????????????????,??,???????????????(?????)
????:????????????