短語詞組短語boiler steam drum 鍋爐汽鼓boiler water drum 鍋爐水鼓boiler s drum 鍋爐汽包position of boiler -drum 爐筒定位waste heat boiler steam drum 餘熱鍋爐汽包High Pressure Boiler Steam Drum 高壓鍋爐汽包boiler steam drum water level 鍋爐汽包水位steel for boiler drum 鍋筒用鋼placing of boiler drum 汽包就位 返回 boiler drum