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

2?????????

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

4????????

5???????

??????????????12??17????? (??????? ?????)???,??,???????????????????????????????????????????????????,???????,??????9600?????????????,????3.8????,????????????20%?

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??????????????,???????????????????????????????????,????????,????89%,90%?????3??????????????“?”???,??????????????????????????

???,????????,????,??????????????????????????11??????,??4???????????????????(???????)???????????????????15????????????,???,90%?????????????3???

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