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

2?????

3????????

4?????vx

5???????

1?????????????1????????????,?CR400BF-GS??????????G920??????????“????????????”??????????????????????????????????????? ? ????????  1?????1???,???????CR400BF-GS?G920???????????????????“?????”?????????????????????????????(?????????????)??????????????????? ?????????? ?  1?????????????1????,???????????????CR400BF-GS????G920???“??????????”????????????????????????(??????????????)??????????? ?? ????????  1?1????,???CR400BF-GS???G920???“?????????????????”??????????????????????? ???? ????????  1?1???????????????,?????????????????CR400BF-GS?G920???????????????????“????”?????????????? ? ???  ?????????:????????????????