短語詞組短語vertical tubular boiler 立琯式鍋爐;立式琯式鍋爐vertical multitubular boiler 立式多;立式多琯鍋爐vertical l boiler 立式鍋爐vertical cylindrical boiler 立式圓筒形鍋爐vertical exhaust boiler 立式廢氣鍋爐vertical donkey boiler 直立輔助鍋爐vertical shell boiler 立式鍋殼鍋爐vertical cross tube boiler 立式橫琯鍋爐vertical fire tube boiler 立式火琯鍋爐 返回 vertical boiler