At present, traction motor testing devices in most railway factories and segments adopt handwork control, manual reading instruments and recording data.
目前，我国大部分厂、段的牵引电机试验台都是手工控制、人工读表记录试验数据；
At present, traction motor testing devices in most railway factories and segments adopt handwork control, manual reading instruments and recording data.
目前，我国大部分厂、段的牵引电机试验台都是手工控制、人工读表记录试验数据；
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