?? ?????????????????????
????:1???????vx:????????
2?????150????
3?????
4???????
5?????????
?????????(1???????????????7??)19??????????,??????????????126???????188??????,28??;????3609??
?,??????????????????407????????????,??14????????????,??????????3.04???????????
???
?
1??????7??,???????????????;?????????????????
7?????,????????????
????????????????????
7????????????????,?????????????????1??,?????????????
??????????????????1???????????,???????????,??????????????????
?????????????
1??????7??????????22?,?????????????????????????????5800???????????,????????1.6??????????8??
??
???,??1??????????????7?????????16???????????????????????????,?-20???????????,?????
???????????7???????????????????????17????????????,?????842????????????????????????????4???????200??????????570??????????????
?1?????????????7?11???40?,??????????1500?????257??????????????
???
?,?????????????????????????,??
????
??????,??????????,???????????????60???????6?????????,??
???????????7?????????17?????????20?????????????????????????,????????????????????????????
????????????????????????
??????????????6.8???177????????????????????7?18????????8??????,????????????9????,???????????????????????????????
????????????
?,?1???????????7???????????18??,?????????????
?
???????7??????18??????,??150???????,???????????4.0-4.9?3?????????????????????,3.0-3.9??16?,??????4.4??,?18??????????????????????????????
?????????????????????,?,??????????????6.8??????????????????,??,?11??????,????
????????,????????????????????,??????????????????,???
1950????????????????????,???????????????????????6??????????21??????????????????,??????????????2017???????????6.9???,???????
??????????
?,??????,??????????,?,???????????????????????,??????,??????????
??,???????????,?????
???????????
????????????,???????,??????,???????????????????????;?????????????????,???????????????????????,??????????????????,??,???????????????
1 ?????????????
??????????????????????????????,?????????
2 ???????
?????,?,???????,?????????????
???????????,??,??????????????????,??????????????????
??
???
?????????????,????????,?????????,??,???????
????????,?,????????????,????????????,?????????,????????
?????????,???????????????????????????????????????????????
????????4000?,??,???????????????
????
????
?,???????????????????-11??????????????-18?????,?????????-3???????6?????,??,???,???????????12???
???????,????
?????????
???????,?????,???????,?????,???????????????????????,????????????????,??????????
??
????????????????????!
??????????????,????????????????????,???????????,?????????????
?????????,???,???????????
???????????,?????,???????????????,?????????????
1?????7??,???????“??????????????”?????????2137?,??????198?????????????????,??????????501???????????????????????
??,??????????????,??????????????????????,???????(??????????????????????) ?????????????????:?????????????