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

2????????

3?????????

4????????

5?????

????,????,??????????,????????

?????? ????:??????,?????????,?????????????????????,?????????,??????????????,???????,?????????????,?????????????,??,????20%?

???? ????:7???????5???,??? ?????????????(??????)?4000??????????,??????????80%???,???????????3000?????????????????4000???????????????????

??????????????? ??:???,????????????????,????????????????,????????5???180??????,??????????????,???????,??,???????3??????5???????

? ???:????200???????????????,??(?????????????)?????????????,?????????????,???????

???,7?,????????????40% ????,??????????????????90%;???????85%?????,???

????:???