underload

an extended period of underload, a sudden shift to higher workload can have negative effects on efficiency for tasks that require sustained attention.

在持续了一段时间的低工作强度的工作之后，突然到来的高峰会对一个要求注意力和警觉的工作产负面的响。

Provided with a kind of winding switching device, the motor runs with the two windings working simultaneously while underloaded, and with the multi circle winding...

电机外部采用切换置,轻时,两个绕组串联运行;满时,只用多匝绕组运行。