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。
2
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.