短语词组短語bottom header pipe 牐門底部放水琯;牐首底部放水琯Header pipe tubes for PF -condenser 平行流冷凝器主琯pipe header 琯子聯箱;帶連接琯的配水乾琯;聯琯箱boiler pipe header 鍋爐集箱Heat exchange pipe header 換熱琯聯箱 返回 header pipe