?????? ??????1600????“?????”

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

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

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

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