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

2????????

3???????

4???????

5???????????????

????????10?14????????????? (????????????? ?????????????????)???????????????14??????2???,??????,???????

?,?????????????,??701.6?????????????,????????????????1.4????????,??????????30.1???????????,?????????????550??,??????????10?21?????????

??????????????,??????????????22????????????,??????20????????,?????20?????4??,????????

??????(?????????????)????????????????,?,??????,?????,??????26??????,???????????100????????????????,??????????????????125??????,?,?????????????

???????(??????)?????,??????4?????????????????,??,???,?3????,???,???

???,?????,??????41%??????????,???4????????????????????,???????,????

?????,??(?)?26?????,?????100?????????????????,?????????15%,?????

?????????????,??????????500?????????????,?550??,????????3???,???,??????????,???????4????????(?) ????:????????????