单词	烟管受热面
释义	烟管受热面flue heating surface
随便看	performing rights society 表演权协会 performing self performing stage perform in the role of perform mass for the souls in purgatory (buddhistic), perform music perform on a flat perform one's ablutions perform one's duty perform one's place perform one's whole duty, performs perform secret aots of virtue, perform statement perform the last offices for perform the last offices to perform the last offices to (或for) perform the scope of business perform tray perform until statement perform while statement perform your office perfornate perfory perf part