例句與造句

1. Brownouts are sometimes caused by overloaded circuits and are sometimes caused intentionally by the ac utility company in order to reduce the power drawn by users during peak demand periods ( like during hot summers when everyone is using their air conditioners )
   有時電路過載會引起電燈暗淡，有時供電公司有意這樣做，是為了在用電高峰期內(nèi)降低用戶的用電量（比如在盛夏，每家人家都在使用空調(diào)） 。
2. It's difficult to find overload circuit in a sentence. 用overload circuit造句挺難的