rotation begins in order to achieve a speed of V2 at 35    在該速度下飛機(jī)抬輪開始以便在跑道上空35英尺時(shí)達(dá)

feet above the runway.                                   到V2速度。

VREF The reference speed at the 50 foot height in a      VREF，

normal landing. This speed is generally equal to 1.3       飛機(jī)正常著陸時(shí)，高度50英尺時(shí)的基準(zhǔn)速度。通常是飛

times the stall speed in the landing configuration.      機(jī)在著陸形態(tài)時(shí)的失速速度的1．3倍。

VTK, SEE - VERTICAL TRACK                                垂直航跡，

                                                           見Vertical Track．

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W

WALKING BEAM, A mechanical component attached to 動(dòng)梁，

the main landing gear and a hinged support which helps 主起落架上，一端連在減震支柱上，另一端連在鉸接支

the actuator during retraction of the main gear. 撐上，用以協(xié)助作動(dòng)筒收主起落架的機(jī)械部件。

WATER LINE, A horizontal reference plane along the 水線，

fuselage for vertical measurements of the airplane. 沿著機(jī)身展向，用以量取垂直方向的距離（或長(zhǎng)度）的

                                               水平基準(zhǔn)面。

WATER SEPARATOR, A component in the air        除水器，

conditioning system for removing water from the air 空調(diào)系統(tǒng)內(nèi)，用以在空氣循環(huán)機(jī)的空氣下游除去空氣中

downstream of the air cycle machine.           的水份的部件。

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