50.  Escape slide inflation is automatic if the door is opened with the Emergency Control Handle (ECH) in the ARMED mode.如果應(yīng)急控制手柄（ECH）在ARMED(待命)模式時(shí)艙門打開，撤離滑梯自動(dòng)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(dòng)機(jī)排出氣體之溫度。由熱電偶量出監(jiān)控發(fā)動(dòng)機(jī)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(qiáng)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(fēng)扇，發(fā)動(dòng)機(jī)的一個(gè)轉(zhuǎn)動(dòng)件。由低壓渦輪驅(qū)動(dòng)，用于給發(fā)動(dòng)機(jī)和及其前部管道供氣。發(fā)動(dòng)機(jī)推力的大部份來自風(fēng)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(jī)結(jié)構(gòu)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(dá)到充分的通風(fēng)和旅客舒適度，使用一個(gè)通用的冷空氣總管來摻混空調(diào)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(yīng)均勻地對(duì)整體材料進(jìn)行熱處理，而不可以僅針對(duì)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(zhì)結(jié)構(gòu)中的高鎖釘應(yīng)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