????:1???????:??????100?????

2??????????

3???????

4?????????????

5????????

2????????14?,????,?????

??,??100???????1000??1500????????????????????????,???????????????????4×7.5????????????????????????????5????????????????????7???“??????????????????”??????????????1500??,????????,?,????????????1????????45???85????,???????????,??????????????????

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

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