Presuperheater
第一級蒸汽過熱器, 預過熱器
??? 情景例句
The signs of the city never fail to impress the foreign tourists.
外國游客無一不對該城市留有深刻的印象。
You make the failure complete when you stop strying.
不再努力之時，就是完全失敗之日。
Don't worry. I can help him.
不用著急，我來幫他。