?? ???179??????? ????2???
????:1???SN???:??????????app
2???????
3??????
4??????
5???diy???
??????????
??12?????????????29???????????,????????,?2???????????,????????179?????
???,????,??????7C2216?????,?????????175??6?????????????,????????181???????????????????????????,???2???
?????????????:???????????2??????????
????,?“??”,???????????,????????
????,?,????????6?????,????
??????? ???????
????,??,????????????????????????,???
????????????????
??????????,??????????????????????,??????????????????????“MAYDAY”,????2?,???????????(???????????????????? ????)
??????????????????????:???????????????????????