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

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

3??????????

4???????

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

???????7?????5???? (??? ? ?????)????,15????????????????,????3????????????????????,????????????,“???”??????

???????,??????????????10KG,????????????50KM/H,????20KM,??????7?????,????????????????????????;???????,???,????

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

“?????,???????30??????????,????????????15????????,???”???????????????????????,??????????,??????????????????????????

???,?????,???3????????,?????????????????????????“???????????+?????????????????”?????????,????????????????????????

??,?????,????«????????????»,?????????????????????????????????????????????????????,??????????20????????????????????121????????????????,????????????????????????40???600????

??????????????????????????????????????????,??????,???,???????????????????????????,??,??“??????‘????’,??,?????????????????????????????????????,????”?????????(??)

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