????? ??????1600????“??????”

????????2??5??????? (? ????????????)??5??,??????,???,?????????????????????????1600??“??????????????????”??????????,?????????????????3??????????????????????3.5kg??????????(????????????)?????????

?????????????????????,?????20??????,?????????????????,???????????????????8?????????????????,???????,??????????????????????????????????,??,??

?????????????????“???????????,????”????????????????,???????????????120????????,????????,???????????????,??????????

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