????:1?????????:????

2???????

3?????600???

4???2020??

5??????????

?????????????????????????6??????????????????????20? (????????????????? ???????????)6?20??????????,CZ689????????????????239??,????,???

?????,??????????????????(?)????????????20???????????????,??????42??????????????

??,????45????????????,????,?????????????????????,???????

6?????????????20?,???????????????????????????? ?????

?,??????,??3???,????????????,?????????????,????????????????????????????????,???????????,?????????????????????

?????,??????????:“??,??”

???,???????????????????787??????????????????(????????)

???:???????????