设计了一种复速级冲击涡轮式气启动马达，满足工程车辆、煤矿车辆频繁启动及防爆等需求。
A type of re-level impact turbine pneumatic motor is designed, which meets the frequently starting and explosion protection requirements of engineering vehicles and coal mine vehicles.
根据启动试验结果和大修检查发现的问题，介绍了转子复速级第二列复环局部严重磨损的情形。
Recounted friction loss circumstance on parts of the second-row shroud-ring in the Curtis stage for N12 turbine's rotor.
根据启动试验结果和大修检查发现的问题，介绍了转子复速级第二列复环局部严重磨损的情形。
Recounted friction loss circumstance on parts of the second-row shroud-ring in the Curtis stage for N12 turbine's rotor.
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