航空燃气涡轮发动机为了提高性能经常采用中介轴承。
Intershaft bearings are often used in gas turbine engines for better performance.
燃气涡轮发动机在航空、地面和舰船上有着广泛的应用，对其进行性能评估和故障诊断有着重大的现实意义。
Gas turbine engines are widely used in the fields of air, ground and ship, so it is much of importance to assess engine performance and diagnose its faults.
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