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.
叶片振动测量对航空发动机、电站涡轮机及各种压气机的强度设计和研究及安全监测非常重要。
It is important to measure blades vibration for the intensity design and for safely monitor of air engines, turbines of power station and compressors.
本文以某涡轮增压器的压气机为研究对象，讨论了基于参数化驱动的流体分析组合优化技术的普遍意义。
This article take some turbosupercharger air compressor as the research object, discussed based on the parameter actuation fluid analysis combination optimization technology universal significance.
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