TECHNICAL DICTIONARY                                 40

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英漢對照民用航空詞典                                   BOEING

DEFUELING VALVE, A valve in the fuel system for    排油活門，

defueling the tanks and for transferring fuel between the 燃油系統(tǒng)中的活門。用以為燃油箱排油和在燃油箱之間

tanks.                                             輸送燃油。

DE-ICING, Removing ice after it has formed on aircraft. 除冰，

                                                     除去已凝結在飛機上的冰。

DELETE, To remove or cancel.                       刪除，

                                                     刪去或取消。

DELTA, Change or difference.                       變量，

                                                     變化或差異。

DEPARTURE CONTROL, A function of an approach       離場控制，

control facility providing air traffic control service for 給用儀表飛行規(guī)則離場，和在某種情況下用目視飛行

departing IFR and, under certain conditions, VFR   規(guī)則離場的飛機提供空中交通管制服務的進近管制設施

aircraft.                                          的一種功能。

DEMODULATION, The process of retrieving information 解調(diào)，

(modulation) voltage from a modulated carrier voltage. 從載波電壓中獲得調(diào)制電壓的處理過程。

DEMODULATOR, A device or circuit which performs    解調(diào)器，

the process of demodulation.                         完成解調(diào)過程的裝置或電路。

DEPRESSURIZATION VALVE, A valve in the hydraulic   減壓閥，