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