气阻装置是实现低真空电子束焊接的重要部件。
The flow resistance device is a important unit for achieving electron beam welding in partial vacuum.
《汽车稳压循环抗气阻节油器》是一种用于汽油类汽车发动机或内燃机的节油装置。
A stabilizing-pressure cycling air-choke resistant fuel-saving device for car relates to a fuel-saving device for the engine of the gasoline-driven car or the internal combustion engine.
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