低循环多轴疲劳失效是航空发动机低压压气机轮盘的主要失效形式。
Low cycle multiaxial fatigue failure is the main failure mode of aeroengine compressor disk.
同心轴，两个套在一起旋转的轴。用于使发动机低压和高压涡轮分别带动低压和高压压气机。
COAXIAL shaft, Two shafts rotating one inside the other for rotating the low and high pressure compressors by the low and high pressure engine turbines.
发动机上，用来降低压气机压力的活门。
A valve on the engine for reducing pressure in the compressor section.
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