???? ??????1600??????“?????”

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

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

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

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

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