? ???????????1.4??????????

????:????:??????

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