and closes an inlet or outlet depending on fluid level.  裝在貯液箱內，根據液面的高低來開啟和關閉進口或出

                                                       口的活門。

FLOWMETER, An electrical transmitter for measuring     流量表，

the fuel flow to the engine.                             用來量度流向發動機的燃油流率的電傳感器。

FLUORESCENT LIGHT, A light emitted by a gas filled     螢光，

tube.                                                    由一種特制的充氣管所發出的光。

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英漢對照民用航空詞典                                   BOEING

FMC, SEE - FLIGHT MANAGEMENT COMPUTER               飛行管理計算機，

                                                      見 Flight Management Computer.

FOD, SEE - FOREIGN OBJECT DAMAGE                    外來物損壞,

                                                      見Foreign Object Damage．

FORCE BALANCE VALVE, A valve controlled by the      力平衡活門，

feel computer in the elevator system for hydraulic    由升降舵系統內的感覺計算機控制的活門，用來向升降

pressure supply to the elevator actuator.           舵舵機提供液壓力。

FOREIGN, Offside; opposite side.                    外面的，

                                                      另一邊的，對面的。