????:1????????:??????150???

2?????????

3????????

4????????????

5?????????

??7?18? ??????????????,??7??????????18????10?????????????:

??????????????????,7?18??14?????????19??????14??????????????????????????,????????????????????????????????????????????????????????????????????????????,????,?(100~150?????)???(??????30~50????,?????60???????????),???

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1??????;

2???,??;

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

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

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