直升機救援技術: 民用公共安全和軍用直升機救援行動
"Helicopter Rescue Techniques: Civilian Public Safety and Military Helicopter Rescue Operations," First edition, October 2013, by the U.S. National Park Servicehttp://www.mra.org/images/stories/training/Helicopter_Rescue_Techniques-_NSARA_Manual-_10-23-2013.pdf
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