CARD FILE, A container on the airplane for printed     線路板盒，

circuit cards.                                           飛機上安裝印刷線路板的容器。

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CASCADE, Two or more similar circuits or amplifying   級聯(lián)，

stages in which the output of one circuit provides the  兩個或兩個以上的類似電路的逐級連接或放大過程。該

input of the next.                                    過程中，一個電路的輸出為下一個電路的輸人。

CASCADE VANE, A vane for turning the engine airflow   葉柵葉片，

during operation of thrust reverser.                    在反推工作時，使發(fā)動機氣流向相反方向流動的葉片。

CASE DRAIN, A drain carrying lubricating and cooling  泵匣余油管，

fluid from a hydraulic pump.                            液壓泵多余的潤滑液及冷卻液的排放口。

CATHODE, The element from which the principal         陰極，

stream of electrons flows.                              電子流流出的極位。

CATHODE RAY TUBE, An evacuated glass tube with a      陰極射線管，

viewing screen, used for displaying information.        一個具有顯象屏幕的真空玻璃管。用于顯示信息。

CEILING, The height above the ground or water of the  云高（云底高），

base of the lowest layer of cloud below 6000 meters     6000米（20,000英尺）以下已覆蓋一半以上天空的最

(20,000 feet) covering more than half the sky.        低云層底距離地面或水面的高度。

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英漢對照民用航空詞典                                      BOEING