Laxiwa Hydropower Project is the biggest waterpower pivot engineering on the upper reach of the Yellow River.
拉西瓦水电站为黄河上游最大水电枢纽工程。
It briefly describes the working principle of stepping motor based upon the gate tests at the intake tunnel for Laxiwa hydropower project.
以拉西瓦水电站进水口快速闸门模型试验为例，简要阐述了步进电机的工作原理。
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