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

2???????????

3?????vx

4?????????

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

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

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

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

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

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

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

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