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