城轨车辆的牵引电机在牵引和电制动工况下短时过载可达50%，瞬时过载可达100%。
The short-time overload of traction motors of urban vehicles in traction and electric braking can reach 50% while the transient overload can reach 100%.
详细介绍了半挂车空载、半挂车满载、牵引车满载工况的试验和计算方法，并以实例进行了说明。
Tests and calculation methods in vehicle operating modes such as unloaded semitrailer, fully loaded semitrailer and fully loaded tractor are described in detail with actual operating vehicle.
对液压牵引采煤机工况监测系统进行了讨论。 根据实际经验给出了采煤机的主要应监测参数。
The monitoring system of a coal machine with hydraulic haulage is discussed in the paper The main monitored parameters of coal machine are given based on the practical experience.
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