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

2???????

3?????????

4?????

5?????????

????????????????????12???????????????????????1????? (?????? ?)??????????????11?30????????22???????25???????????????????,??4?,?????????????????,??“?”????????

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“???????????????”:?4??,??????????3.8???????3.35????

“??”:??????????62???????,????“??”?

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“???”:???????????,??????????????????,??????,????????????????,??10%?15%?

“??”:????,???????????,?,?????,??75%????,???????????????????0.3?????????????????,??????????,???????????(???)

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