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

2????600??????

3???????88i????

4???????

5?????????100?200?

6???????30???????????,??????????200??????????????????????

?????42????????????????21?????????????,??185?,??????????110??????????100???????????,???????????100%????????????????????????????????,???????????????

??? ??????????????:??,??????????????????????????????????????????????????20???????,????????????85%???????????,??????????????????60????????????????1500?????????????????????????????????????????,???????

???????,???????????300??????????,?????????????????????10????????????,????????????????,???1.2??,??????1.3???,????

???? ????????????:?????????????,???????????,???????????????,???????????,?????????,?,???

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