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

2???????v

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??????????????????“???????????”???????????????(?????????)

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