???? ??????1600??????“?????”

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

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

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

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