??
???2??????????????????????15??? ????,???14??,????(NTSB)???????????????????????,????,?????“??”???,?“??????????????”?
?????,1???????29??????????????????,????????????????“???????????”??????,?,??,???????????????67????????????????????????
??14?,“??”??,?,?????
?,??,??“?”????????????,??????,????,???????
???,???,???“??????????”???????????????????????,????????,“????????????”??????????????
???,??“???”?????,?????,????????????,???
?,?,?????????????????????????,??????
????????????????????,?278??????(85 ??????????),??????,????????????,“????”
????????:???????????
???????????????????????????????????