151.  The extraction fan operates continuously during flight and also on the ground when electrical power is available to the aircraft.當飛行中和飛機在地面接通電源時,抽氣風扇是一直工作的。

152.  The floor panels are made of a honeycomb core which is bonded between Glass-fiber Reinforced Plastic (GFRP) sheets.地板是由蜂窩夾芯粘接于玻璃纖維增強塑料（GFRP)薄板之間制成的。

153.  The fuselage is a semimonocoque structure, light alloy circular frames and longitudinal stringers support and strengthen the main fuselage skin.機身為半硬殼結構，輕質合金的環(huán)形隔框和縱向長桁支撐并加強了主要機身蒙皮。

154.  The information contained in this manual enables the user to restore to proper operating condition the equipment that has been removed from service.本手冊中的信息，可以使用戶能夠為拆下來的部件，提供一個合格的測試環(huán)境。

155.  The L/G support the aircraft on the ground and oil-pneumatic shock absorbers absorb taxi and landing loads.起落架在地面支撐飛機，油氣式減震器吸收滑行和降落的負載。

156.  The lavatory/galley ventilation system makes sure that the lavatories and galleys have a flow of temperature controlled and conditioned air.廁所/廚房通風系統(tǒng)確保廁所/廚房有溫度控制和調節(jié)過的氣流。

157.  The leading edge has attachments for the slats and the trailing edge has attachments for the main landing gear, aileron, flaps and spoilers.前緣為縫翼提供安裝支持，后緣為主起落架、副翼、襟翼和擾流板提供安裝支持。

158.  The LGCIU makes the selections of the valve assembly to retract or extend the L/G and move the doors in a given sequence.LGCIU控制活門組件選擇起落架和艙門以給定的順序伸出或收回。

159.  The main landing gear (MLG) has two leg assemblies. The MLG legs, each with a twin-wheel assembly, are installed in the wings. They retract inboard into bays in the fuselage.主起落架包括兩部支柱組件。每個主起落架支柱具有一部雙機輪組件，主起落架支柱安裝在機翼結構中。它們可收進在機身的艙中。

160.  The main part of the cooling system is a 3-wheel air-cycle machine which works as a self-controlled system for heating and cooling.冷卻系統(tǒng)的主要部件是一部 3輪空氣循環(huán)機，是可以進行加熱和制冷工作的自維持系統(tǒng)。