dc 9
直流9
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Once at altitude, Bill noticed a Northwest Airlines DC-9 a few miles off our left wing.
FORBES: The Bill Lear I Knew
Corsetti also said that the DC-9 didn't have life raft capacity for all those aboard.
CNN: Previous jet ditchings yielded survival lessons
ValuJet Flight 592, a DC-9, crashes into the Florida Everglades at approximately 2:15 p.m.
CNN: Events and developments related to the crash of ValuJet Flight 592
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