探访运-20B：“胖妞”新款与运-20比有什么不同？

Core Viewpoint - The Y-20B, a large transport aircraft developed by China, has garnered significant attention due to its advancements over the previous Y-20 model, particularly in engine technology and operational capabilities [1][3]. Group 1: Aircraft Specifications - The Y-20B features a new self-developed high bypass ratio turbofan engine, which provides greater ground thrust and improved fuel efficiency compared to the Y-20A [3]. - Enhancements in fuel consumption, range, and payload capacity have been achieved with the Y-20B, making it more capable for strategic deployment [3]. Group 2: Operational Capabilities - The Y-20B has improved adaptability to harsh environmental conditions, allowing it to perform missions under more complex scenarios [3]. - The upgrades in power supply, hydraulic, and control systems accompany the new engine, further enhancing the aircraft's overall performance [3].