????:1???????500?4???:??????

2?????

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

4??????

5?????

??????????

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

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

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

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

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