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???7??22??? (? ??????)?????22???????????????,7?22??23????????,?????????,??(????????????)??????

??,7?????????22???????23???,????????,?(??30~50???)??????????????,????????22??????????23??,23????????????????????,??100~150??(???????50~70????????????),?50~100???????,??15~50??,???????????????1~15??????

????,??????????????22??10?????30??????????????,????????????????(????????????????????)

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