????:1???xt?88:????????

2??????

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

4????????????

5???????

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

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

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

?????????CR450???

??????????????????? 1/7

1?????????????????????????1???,?CR400BF-GS?????????????????????????????G920??????????“?????”CR400BF-GS??8?????????????,????????350???????,??,????????????????????????????,??????,??,????????????????????576??????619?????????????,??????????

?????:???

???? ???