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苏联全苏铁道运输科学研究院开发了一种供测定柴油机喷油提前角用的频闪观察装置。该装置可以在机务段或修理厂直接在内燃机车上检查真实的供油提前角。它由电源组、频闪观察器和柴油机喷油器针阀升程的接触式传感器组成。
The Soviet Union, the Soviet Railway Institute of Transportation has developed a for the determination of diesel fuel injection advance stroboscopic observation device. The unit can check the true fueling advance angle directly on the diesel locomotive at the depot or garage. It consists of a power pack, a stroboscope and a contact sensor for diesel injector needle lift.