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?:??
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19????
2?????????6?????????,??????600??????????,????????????????????19????????????,????2??15?????????,??????
?????????:“??”????????????? ????
????????????????????????,???????“????”????600?????????????????????????????????????,????????????1?????????????,??????????????,????????
????,???1000??????????????????,???100????????,????
??:????????????????+?????????? ???
??,?????“????????????+??????????????????”???2????5?????????????????,?????????500????????,??7???????????????,?????????
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?????????????,??????,???????????????????????????????????????“???????????”,???????????“????????”????????????????????????,?????,???????????????????
??,??????????????????????????,?????????????????,????????????98%,???2????????3000???????????
???,????????????????????10???????????????????,?? ???????:??????????????