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.
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。
The dynamic process of pneumatic pick and the conditions under which the normal starting and stable working are available are discussed by way of the theory of point transformation.
用点变换理论分析气镐的动力过程，讨论气镐正常起动和稳定工作的条件。
The dynamic process of pneumatic pick and the conditions under which the normal starting and stable working are available are discussed by way of the theory of point transformation.
用点变换理论分析气镐的动力过程，讨论气镐正常起动和稳定工作的条件。
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