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

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

3???????????

4???????

5??????????

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

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

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

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

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

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