????:2024-08-17 12:37:51 ??:????
????:??????:??????600??????
?8???16??? (??)??????,???????????????,?,??????????????????????????????????2019????11.9%?9%?18.7%,?????7?,??????????????????
??????????????,?????,?????????????????4335???????,?????262?????????????????????16??,??????????,???10??
??????????????????????????????????????,????????????????,??????0.0016??0.01,?????????1/3????1/10?
?,????????19?????????,??20%? ?????:??????????
????