????:1??????????:??????vx

2??????

3???????????

4????????ktv??

5??????

?????????????????????????????????

??????????????????????????1??????????????6??? (?????? ??????????)?6??,????,?????

?????????,????2050???,????????????????????????????????????2019???????????????????,?????,?????????40%?

?????,?????????490????,??7000?(1??2.4??????)??????

??????????????,?????????30%??,??,??

??????????????????????,?????,??????(?????????????????????) ????:???????????????????