SPIN BRAKE, A device in the nosewheel well for     停轉制動器，

stopping the wheel rotation after retraction.        前輪艙內用在起落架收起后不讓前輪再轉動的裝置。

SPINNER, An aerodynamic fairing attached to the fan of 旋轉罩，

a turbofan engine.                                   固定在渦輪風扇發動機的風扇上的氣動整流罩。

SPLICE (NO. 1), A connection of two airplane skin  拼接，

sections.                                            飛機蒙皮與蒙皮之間的連接。

SPLICE (NO. 2), An electrical connection between two 鉸接，

wires.                                               兩根電線之間的電接頭。

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英漢對照民用航空詞典                                     BOEING

SPOILER, A hinged moveable panel on top of the wing.  擾流板，

                                                        鉸連在機翼表面上的可動翼板。

        Flight spoiler- assists ailerons for airplane roll

                    (wing up and wing down) control       飛行擾流板一功用有二。一、協助副翼來操縱飛機

                    and for aerodynamic braking in                      的滾轉。二、用以在飛行中或地面滑

                    flight or on the ground.                            跑時作為減速器。

        Ground spoiler-for aerodynamic braking on the     地面擾流板一僅在地面時作為減速器。

                      ground only.

SPRING LOADED, A condition in which one part of a     彈簧加載的，