?? ??? ???????????????4.9%
![](http://n.sinaimg.cn/news/transform/200/w600h400/20190128/C51--hsccyrt8846122.jpg)
????:1???????????:????300??????
2???????
3????????????
4????????150
5??????????
????????????????????????2?????????????????????17???????????????????? (??? ???)???????????17?????????????????,????,??????????????????????????????5080????5330??,?????????4.9%???14?“???????”?
??????,????????????????????,?????????????????????????,??,?????????,??????????
?????????????????????,?????????,????????,???????????????
???????????,???????????,??,???????????????????????????,????????????,????????????????????????????,????????????????????????,????????????
??????????????????????????,??,?????????????5.85????????????????????,???????????????????10????(???) ???:???????????????????