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?????2??5?? (????????????????? ?????)??5??????????,?????,????,????????????1600??“???”???,????????????3??????????????????????????????3.5kg??(??)?????????????????
???????????,?????????(?)?????????,?????????????????20????????????????????,?????????,??????????????????8??,?????????????????????,??????,?????????????????????????,??????????????????
???????????????“????,???????????????????”????????????????????????,????120?????,??????????????????????,????????,??????
???(????????)“????????????????????????,?????????”??????????????????????????,????????????????????,?????,??????????,??,????????????,?????????????????????,????,???????????????
“??????????????‘??’????????,?,????”??????,???(??)
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????????? ??????1600??????“?????”?????????????