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

2???????

3??????????

4?????????

5???????

????????????????2?????????????3??????????????? (? ??)?,???????????????????3??????????,????G40?G60?G50?G2?G15?????“?????????????”???????????

2????????????3?????,???,????

??????,48???????????G40???????????????????????,??????????????????G40??G60??????????,?????????????,?????,??????????????,???????????????????????,??????

“??????????,????,??????????!”2????3????????8?????,G40???4000??????,??????30??????,????,??????????????????????????,???????????

????,2?1???G40????????(?)??5.5???,2????????????2??????????(??????????????????)???6?,???????3??4?7??????????

“??7?????????????,????,??????????,??G40????????????”???????????????????,?????????,????????,??????????????????????????,?????????????G40????????????????????????,??????,?????????????????????

??????????????????????

???????????????,????????????,???????,???????,?????????,????????G40????,???????????????,?????????????????????????

3????????????????????????10??????????????????????????????,?G40???????????,??????,?,????????????????????????,??????????,???????????,?,?????????

??????????,G15?3?????10?????,?????14?,3??????4????????2.5??

?????????????G40?????????????????G60??,???????

G60??2??????????????????2??????,??????????,?,???????????????????,??,??????????????,???,???

??????????,??????2???????????1???(????)????,G40??????????????????????3?????????4?????????????,G40?G60?G50?G2?G15???????????????“?????????”??????(???????????????)

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