?? ??????70???“???????” ????????????
![](https://image.chezhanri.com/2019/0228/20190228171813184.jpg)
????:1???????:????????????
2???????????
3??????150
4??????
5?????????
???????????:??“????”??????????????????,????????????????,?????70???????“???????”???????????,?????????,??????????????????????“??????????????”??????????
????5????,?????????????????????????????????“????????????”??????????????????????????,?????????400????“????????????????????”??????????,???“????????”???????,???????????????????????????“??”,??????
????,??“?????????????”?????????????????2.0???4??,????“?????????????????????????”????,??2000?,??????,??“????????”?????????????,????21????2780????????
?????,???????????????????????????????????????????????????????????????????70????,?????????“?????????”???,????????????????????????,????“???????”??????????????????,???“?????????”?????
??:???????????????? ???? ??????????
????????????,????70????????????“????”?????????,???????????????????“??????”???
?????????????????????????,????????????“????????”????????????:?????????????,??????????,????????????,??????????????,?????????????????????,???????????
????,???????????????????????,????????
???????,?????,?????????????“????”??,???????,????“?????????????????????”???????????????????,?????????????????
????:?? ??“???????”
??????????????,????????“???????????????????”???????????????????????????????????,??,???????????????????,?????????????
????,?????????,?????????????????,????????????????“?”???????,????8????,????10???????,??????????????????120?????????140??,????????????????70%,????????????????????,??????,??????????210?????????????,?????
???:“???????????????????????90??,????????,???????????????????????,???????90??,?????,?????????????????”
?????????,?????????????“??”????,??????????????5????????????,???
????????????,????????????“??????????”??????
???:“????,????????,????,??,????????,?????????????????,????”
“???????????????????”??
?????????“???????????”????????????????????????????????????,?????????????
??,????????????“?????????????”????,??????,???,????,??????????
????:“?????‘????’????????????,???????????,????,????,???????????????????????????,????,?????” ?????:????????????