50.  Escape slide inflation is automatic if the door is opened with the Emergency Control Handle (ECH) in the ARMED mode.如果應急控制手柄（ECH）在ARMED(待命)模式時艙門打開，撤離滑梯自動充氣。

51.  EXHAUST GAS TEMPERATURE, The temperature of the engine exhaust measured by thermocouples and displayed by an indicator for monitoring correct

engine operation.排氣溫度，發(fā)動機排出氣體之溫度。由熱電偶量出監(jiān)控發(fā)動機正常工作的儀表指示。

52.  Fabricate an external doubler and a filler from

0.063 inch thick 2024-T3 AL clad sheet and break sharp edges.
用 0.063英寸厚的 2024-T3包鋁板制作一外加強板和一填片并打磨尖邊。
53.  FAN, A rotating part of an engine, driven by the low pressure turbine, for air supply to the engine and to the duct around the front part of the engine. The fan provides the major portion of engine thrust.風扇，發(fā)動機的一個轉動件。由低壓渦輪驅動，用于給發(fā)動機和及其前部管道供氣。發(fā)動機推力的大部份來自風扇。

54.  Fasteners attach the upper part of the decorative panels to the attachment fittings mounted on the aircraft structure.緊固件將裝飾板的上部連接到安裝在飛機結構上的接頭上。

55.  For sufficient ventilation and passenger comfort a common cold air manifold mixes the pack fresh air with recirculated air.為達到充分的通風和旅客舒適度，使用一個通用的冷空氣總管來摻混空調組件的新鮮空氣和再循環(huán)空氣。

56.  Heat treatment shall be carried out uniformly over the whole material and never on a part of the material only.應均勻地對整體材料進行熱處理，而不可以僅針對材料的一部分。

57.  Hi-Lok pins installed in aluminum structure shall be installed into interference-fit holes unless otherwise specified on the engineering drawing.安裝在鋁質結構中的高鎖釘應安裝在干涉配合的孔中，除非工程圖紙上有其它說明。

58.  Hold the end of the retaining cables (18) and
(27) to prevent twisting of the cables when you
remove the nuts(13).保持住固定索(18)和 (27)的端頭以防止拆下螺帽