Engine 發動機； Thrust/Reversed Thrust 推力/反推力； Electrical Power 電源； Pneumatic 氣 源； Hydraulic Power 液壓源； Fan 風扇； Bearing 軸承； Engine Driven Pump 發動機驅動泵； IDG Integrated Drive Generator 整體驅動發電機； Fuel Metering Unit (FMU) 燃調組件； LP Compressor 低壓壓氣機； HP Compressor 高壓壓氣機； Diffuser/Combustor 擴壓器/燃燒室； HP Turbine 高壓渦輪； LP Turbine 低壓渦輪； Accessory Drive Gearbox 附件驅動齒輪箱；
BLANK DISPLAY, A display that does not have any indications, normally due to failure. 空白顯示， 通常因故障而造成的顯示器上沒有任何指示。 BLACK BOX, A container for electronic circuits to record flight data. 黑匣子， 裝有用于記錄飛行數據的電路系統的容器。 BLEED VALVE, A valve in the pneumatic system for air supply from the engine or auxiliary power unit to the pneumatic manifold. A valve on the engine for reducing pressure in the compressor section. 引氣活門， 氣源系統內，使來自發動機或輔助動力裝置的空氣進人氣源支管的活門。發動機上，用來降低壓氣機壓力的活門。 BLOCKER DOOR, A device on the engine for blocking the normal airflow during thrust reverser operation. 阻流門， 發動機上的一個裝置。在反推工作時用于阻擋正常的氣流。 BLOWER, An electrically operated fan for circulating air. 鼓風機， 用來使空氣循環的電動風扇。 BLOWOUT PANEL, A panel in the structure between two compartments that opens to equalize pressure in the compartments. 卸壓口蓋， 兩個隔艙之間的口蓋，打開后可使兩艙壓力相等。 BODY GEAR, The landing gear attached to the fuselage structure. 機身起落架， 裝在機身構架上的起落架。 BONDING JUMPER, An electrical connection between a component and airplane structure for electrical grounding. 搭接片， 連接某個部件與飛機結構以形成接地的電接頭。 BOOST PUMP, An electrically operated fuel pump for fuel supply from the airplane fuel tank to the fuel manifold. 增壓泵， 從飛機油箱向總油管提供燃油的電動泵。 BORESCOPE, An electro-optical device for looking at internal parts of an engine through holes in the engine. (borescope ports) 孔探儀， 用于通過發動機內的孔（孔探口）觀察發動機內部件的電光設備
|
