本实用新型主要用于铁道机车车辆空气制动机输送压缩空气和传递制动操作信号。
The utility model is mainly used in the railway locomotives air brakes to transport compressed air and transfer the brake operation signal.
转动设备是石油化工生产中输送流体和传递动力的重要装备。
Rotating equipment is very important for transmitting liquid and providing power in petrochemical production.
转动设备是石油化工生产中输送流体和传递动力的重要装备。
Rotating equipment is very important for transmitting liquid and providing power in petrochemical production.
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