????? ??????1600??????“????”

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

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

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

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

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