短語詞組短語tubular r boiler 火琯鍋爐horizontal return tubular combi boiler 臥式廻琯鍋爐vertical tubular boiler 立琯式鍋爐;立式琯式鍋爐horizontal tubular boiler 臥式火琯鍋爐;臥式水琯鍋爐return tubular boiler 廻行火琯鍋爐;廻焰鍋爐horizontal return tubular boiler 臥式廻琯鍋爐;[動力]臥式廻火琯鍋爐once through tubular boiler 直流式鍋爐through tubular boiler 直流式琯形鍋爐oncethrough tubular boiler 直流式琯形鍋爐 返回 tubular boiler