?????? ??????1600?????“????”

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

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

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

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