送交者: tinaliang 于 2010-04-21, 13:16:22:

回答: why it is less stressed? 由 steven 于 2010-04-21, 13:13:17:

• Not that many jet engine failure are stresse related. - steven (81 bytes) 2010-04-21, 13:30:33 (433818)
  • ok. now tell us twine engines fails twice as many as single, would you? (无内容) - tinaliang (0 bytes) 2010-04-21, 13:35:41 (433822)

加跟贴