CHARGING VALVE, A valve for supplying air or fluid to 加添活門，

a reservoir.                                       用來向儲存器充氣或加液的活門。

CHECK VALVE, A valve allowing flow in only one   單向活門，

direction. See Non-Return Valve.                   僅容許單向流動的活門。見 Non－Return Valve。

CHECKSUM, In a computer, a summation of digits or 總和校驗，

bits which are primarily used for error detection. 計算機中，把那些用來探測錯誤的數(shù)宇或位數(shù)的總和進

                                                 行求和計算。

CHIP DETECTOR, A magnetic plug in sumps of       金屬碎屑探測器，

lubricated components for detection of internal failure of 裝在被潤滑的部件滑油回油管路上的磁性塞子。用來探

the component.                                   測部件內(nèi)部有無損壞。

CHORD, A structural component of spars or frames. 翼弦，

                                                   梁或框架的結構部件。

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CIRCUIT, A closed path through which current flows       電路，

from a source, through various components, and back        一個閉合的回路。電流由源頭流出，經(jīng)過各個元件流回

to the source.                                           源頭。

CIRCUIT BREAKER, A device that automatically             跳開關，

interrupts the flow of electricity (current) during fault  能在故障情況下自動中斷電流以保護線路不受過電損

condition to protect wiring from excess current. Circuit 壞的裝置。跳開關也可用于人工使系統(tǒng)無效。

breakers are also used as a means to manually

deactivate the system.

CLEARWAY 1, An area beyond the takeoff end of the        一號凈空道，

runway which is clear of all non-frangible objects which   是跑道起飛端以外，不含任何剛體障礙物的區(qū)域。在計

may be used as takeoff distance available when           算起飛重量時該區(qū)域可作為可用起飛距離。