????:1??????????:??24?????

2????????

3????????MM

4???????

5?????????

?????????????????????????2?????????12?(????? ????????????)????????12?????????????????????????,?,????????,???????????,???,????????????????????20%?

2?12??,??????????????? ???

?,????????????,?????????15%?

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

???????????????????2????????????5??,?????(??????????????????????)

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