sailor1113 发表于 2017-5-24 19:41:03

好资源，谢谢！！！！

conan19910205 发表于 2017-6-6 13:27:51

:)麻烦了谢谢 急需 感谢楼主
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查看完整版本: MIL-E-5007D 15 October 1973 Engine, Aircraft, Turbojet and Turbofan, General Spe