?????????

?12?????????????29????????,????????????????????,????2???????????,??179????????

????,???????????????????,??????????????7C2216????,????175??????????6?????????????????????,???181??????????????,??????????????????????2???

??????????:????2???????????

?,??“?????”,??????????,?????

???????,?????????????,????????????????????????????????6??????????????????????,????????

????? ?

?,?????????,?????,???

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

???????,???????????????????,????????“MAYDAY”,?????????????2???,????(?? ??)

?????????:????? “?????”_????

?? ????179??? ???????2???

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

2??????????

3???????

4????????

5????????200???

?????????

?12?????????????29????????,????????????????????,????2???????????,??179????????

????,???????????????????,??????????????7C2216????,????175??????????6?????????????????????,???181??????????????,??????????????????????2???

??????????:????2???????????

?,??“?????”,??????????,?????

???????,?????????????,????????????????????????????????6??????????????????????,????????

????? ?

?,?????????,?????,???

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

???????,???????????????????,????????“MAYDAY”,?????????????2???,????(?? ??)

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