例句與造句

1. If allowed to accumulate, Eldridge said, that soot can clog the chimney, thereby further reducing the efficiency of the furnace.
2. While trying to solve a problem with a blast furnace at Wilsontown Ironworks, Neilson realized that the fuel efficiency of the furnace could be increased by blowing it with hot air, rather than cold air, by passing it through a red-hot vessel.
3. It will depend on the rate of cooling, and it will also depend on the differential rate of efficiency of the furnace to re-heat the room . ( I suspect that turning on the furnace entails " overhead "-so heating from 70 to 71 degrees may actually take negligibly less energy than heating from 65 to 71 ).
4. Thhere is nothing wrong with a second furnace, and if it cannot be installed on the second floor, then it should be in the basement; you may have long runs of air ducts from basement to second floor, which may reduce the efficiency of the furnace, but with forced hot air and insulated ducts, this can work quite well.
5. It's difficult to find efficiency of the furnace in a sentence. 用efficiency of the furnace造句挺難的