preheater編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看preheaterpreheater — 名詞名詞1. a device that heats something before it enters a main process1.名詞釋義預熱器a device that heats something before it enters a main process例句The preheater warms the air before it goes into the furnace.