例句與造句

1. Trevithick internal flue from about 1812.
2. Each boiler was by, with internal flues in diameter, with five cross-tubes.
3. Cronstedt showed how in a ceramic designed wood-burning stove that much more additional heat could be captured in a heavily tiled system of five long internal flues.
4. It's difficult to find internal flue in a sentence. 用internal flue造句挺難的