?? ????????:???????????
![](https://image.chezhanri.com/2019/0530/20190530165218932.jpg)
????:1???????:??????
2???????????
3???????????
4?????????
5???????vx
?????6??????????????????????20? (?? ????????????)????20?????
![](http://i2.chinanews.com.cn/simg/cmshd/2024/06/20/23a3fbf31b454f649b5e49a1b8ef3814.jpg)
???:??,???????????,????3.6???????????????????????????? ????Altius-600??????
???????????????:??????,?????????????????????????,??????????????????????????????????????,?????,????????,?????????????????????????,??????????????????
??,??????????????????????????????????????,??????????????,???????????????????
??????,??????????,?????????????????????????????????????,????????????????,????,??????????????????
??,?????????????????????????????????,?,????????,??????????????????,???????????????????,???????????????????(??)
??????????????:?????