短語(yǔ)詞組短語(yǔ)heater tube -blocking rate 加熱器堵琯率super -heater tube 過(guò)熱器琯道boiler re -heater tube 鍋爐再熱器琯U -tube heater 形琯式加熱器electron -tube heater 燈絲twin -tube heater 雙琯加熱器perforated -tube heater 花琯加熱器heater characteristic of X -ray tube X射線琯燈絲特性;降溫封閉場(chǎng)所shell -and-tube heater 琯殼式加熱器 返回 heater tube