BITE, SEE - BUILT-IN TEST EQUIPMENT                    机内自测系统，

                                                         见 Built-in Test Equipment.

BLANK DISPLAY, A display that does not have any        空白显示，

indications, normally due to failure.                    通常因故障而造成的显示器上没有任何指示。

BLACK BOX, A container for electronic circuits to record 黑匣子，

flight data.                                             装有用于记录飞行数据的电路系统的容器。

BLEED AIR, Air taken from the engine to power various  引气，

aircraft accessories.                                    取自发动机而用以驱动飞机上之各种附件的空气。

BLEED VALVE, A valve in the pneumatic system for air   引气活门，

supply from the engine or auxiliary power unit to the    气源系统内，使来自发动机或辅助动力装置的空气进人

pneumatic manifold. A valve on the engine for reducing 气源支管的活门。发动机上，用来降低压气机压力的活门。

pressure in the compressor section.

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英汉对照民用航空词典                                    BOEING

BLOCKER DOOR, A device on the engine for blocking   阻流门，

the normal airflow during thrust reverser operation.  发动机上的一个装置。在反推工作时用于阻挡正常的

                                                    气流。

BLOWER, An electrically operated fan for circulating air. 鼓风机，

                                                      用来使空气循环的电动风扇。

BLOWOUT PANEL, A panel in the structure between     卸压口盖，