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

2???????

3???????

4????????150???

5???95?

??7??23????????? ??,??7????23???????????10????????????:????,7?23?14??24??14?????????????,?????????????????,??????????????,????????????????????????????????(100~180????)?????????????????(??????30~50?????,???60?),??????????

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2??,?????????????;

3???????????,???????????,????????????????????;

4??????????????????????????,???????????????????????????

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