- underload relay
- 低载继电器
English-Chinese electron industry dictionary (英汉电子工程大词典). 2013.
underload relay
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Northeast blackout of 2003 — States and provinces that experienced the blackout; not all areas within these political boundaries were affected. The Northeast blackout of 2003 was a widespread power outage that occurred throughout parts of the Northeastern and Midwestern… … Wikipedia
