TECHNICAL DICTIONARY                                 40

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英漢對(duì)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(jié)在飛機(jī)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(chǎng)控制，

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

departing IFR and, under certain conditions, VFR   規(guī)則離場(chǎng)的飛機(jī)提供空中交通管制服務(wù)的進(jìn)近管制設(shè)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，