?? ??????1?????????????????20? ??
????:1????????????:?????????????
2?????????
3?????
4?????
5????
?????1??20??,????????581.7???????????1??20???300???,????????????382???(???243??????,?139?)????352????????91?????????,1??20???????,??????????(????????????)?,?24?????????????????????
???,????,?1569??,?261.60?????????????????,??????,??,?????????????????,????1????20???,?????(????? ????????????? ???????? ?????????????????????)
????????:?????????