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

2????????

3?????????

4??????????

5?????

7?6?3????????,?????????,????

???????????????????????,????????????????????????????6???????12???,??220???,????5??????????,???47.64??(????92.5%,?),??0.10??

??????????????????????,?4?,??????????,??????????????700????????????????

?,????????????,????????????????????????,????????????????????????????????????????1000??????????????????????3200????????????????????????3200????????3200????????????5000???(?? ??? ?? ???????? ????????? ?)

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