词汇	alternating nature
释义	alternating nature 交变属性
随便看	helicopter hangar Helicopter Hauldown and Rapid Securing Device helicopterhel helicopter hoist helicopter hovering Helicopter Icing Spray System helicopter identification by radar detection Helicopter in-Flight Monitoring System Helicopter in-Flight Refueling Helicopter Inflight Spray System Helicopter Infrared Detection Estimate Helicopter Infra-Red Navigation System Helicopter Infra-Red System helicopter landing transport ship helicopter landing zone Helicopter Landing Zone Locator helicopter lane Helicopter Laser Designator Helicopter Laser Range Finder Helicopter Laser Warning Equipment Helicopter-Launched Anti-Ship Missile helicopter-launched missile helicopter liferaft helicopterlike helicopter live-line work