underload

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

在持续了一段时间作强度作之后，突然到来高峰会对一个要求注意力和警觉作产生负面响。

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...

电动机外部采用切换装置,轻载时,两个绕组串联运行;满载时,只用多匝绕组运行。