????? ??????1600????“??????”

????:????vx:??????

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

???????????,???(??)

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

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

??????????????????????????(????????)

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

“?‘?????????’?,?????????,???????????”??,?????(??)

?????????????????????:???????????