航空发动机风扇叶片常常因为疲劳裂纹而引起整个结构的损坏，导致重大的安全事故。
The severe safety accidents are induced because the fatigue cracks in fan blade of the aero-engine generally result in the malfunctions of the engine components.
但当时这种发动机噪音太大，同时也担心万一某个风扇叶片折断而划破机身，后果不堪设想。
But the engine was noisy, and there were concerns about what would happen if one of the blades broke off and tore into the aircraft's fuselage.
通用电气表示，他们成功地将发动机重量减轻了3%，约136千克，此举促使波音787世界首次使用合成陶瓷风扇机箱和涡轮叶片。
GE says it has shaved 136kg, or 3%, off the weight of an engine that propels the Boeing 787 using a ceramic-composites fan case and blade, a world first.
研究了在外场更换和修理某型涡扇发动机各级风扇叶片的技术。
The field replacing and repairing technologies of various stages fan blades for an turbofan engine were studied.
发动机是一个有两个转子和不同的定子叶片的轴流式涡轮风扇发动机。
The engine is an axial flow turbofan with two rotors and variable stator vanes.
就在气体进入发动机喷嘴，他们通过一个风扇，这样的一套涡轮叶片转动轴发动机。
Just before the gases enter the engine nozzle, they pass through a fan-like set of turbine blades which rotates the engine shaft.
航空发动机重要零件如机匣、压气机风扇叶片等广泛采用钛、镍基合金等先进结构材料。
Advanced aeroengine alloys such as titanium and nickel-based alloys are widely used for casing and compressor blades.
航空发动机重要零件如机匣、压气机风扇叶片等广泛采用钛、镍基合金等先进结构材料。
Advanced aeroengine alloys such as titanium and nickel-based alloys are widely used for casing and compressor blades.
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