The main shaft bearings of aircraft engine are key parts of plane, its reliability and life affect directly on the reliability and life of engine and even whole plane.
航空发动机主轴轴承是飞机关键部件的关键零件，其可靠性和寿命直接关系着发动机乃至飞机的可靠性和寿命。
As one of the key parts of the aeroengine main-shaft, the dynamic performance of high-speed cylindrical roller bearing directly affects the dynamic characteristic and reliability of the mainframe.
高速圆柱滚子轴承是航空发动机的关键零部件之一，其动态特性直接影响着主机的性能和可靠性。
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