????? ????1600??????“??????”

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

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

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

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