????:1???????:????a5??

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????????(???????????) ???????????:???