????:1?600???3?????:??????????

2???????

3?????????

4??????50??

5???????

??2????????19???????????????????????????????????????(????)????,??2???18???????,??,?????????????25%????????????????????????????,????4????????2??????

????????????,???,?,????,?10%?,????,????,???????????25%????

  ???

?????,???18??,4????????25%????,????

??????,?????????,???????????“?????????”????????????????????“????????????????”,??????????????

??????????????????,?????,??????19????(?)

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