stopped before the airplane lifts off the ground.       在飛機離地前被停止的起飛。

REGULATING VALVE, A valve for controlling pressure    調節活門，

or flow.                                                用以控制壓力或流量的活門。

RELAXED, The state of an electrical component or      釋放狀態，

switch that is deenergized.                              電器部件或電門處于關閉或沒有通電的狀態。

RELAY, A switching device in which the contacts are   繼電器，

opened or closed in response to separate current or     一種電門裝置，其接觸點隨著單獨的電流或電壓開路或

voltage.                                              閉合。

RELIEF VALVE, A valve which prevents high pressure    釋壓活門，

in a system by venting the system to ambient.           通過將系統與外界相通，以防系統內壓力過高的活門。

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英漢對照民用航空詞典                                 BOEING

RESERVES, The required fuel remaining on-board after 備用燃油，

arriving at the destination airport as determined by 照規定，飛機在到達目標機場后，機上需要的剩余的燃

regulations.                                      油。

RESERVOIR, A container for storage of fluid.      儲液箱，

                                                    用以儲存液體的容器。

RESTRICTOR, An orifice for reducing the flow and  限流器，

pressure of a fluid.                                用以減低液體流量和壓力的量孔。

RESTRICTOR CHECK VALVE, Same as restrictor but    限流單向活門，

allowing flow in one direction only.                一個與限流器類似，但僅允許流體向單一方向流動的活