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ight data.
LEED AIR, Air taken from the engine to power various
ircraft accessories.
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.
進制，
進制，
一般用0和1）和2為底的數字系統。
特（二進位數），
二進制中的最小信息單位，包括0或1。
內自測系統，
見 Built-in Test Equipment
two symbols (usually denoted 0 and 1) and having 2 aits base.
B
in
B
B
in
B
fl
B
a
BLEED VALVE,
二進制編碼的十
一種編碼系統。用等效二進制位數編譯十進位數的每一位。
二
以兩個符號（
比
機
.
白顯示，
通常因故障而造成的顯示器上沒有任何指示。
匣子，
裝有用于記錄飛行數據的電路系統的容器。
氣，
取自發動機而用以驅動飛機上之各種附件的空氣。
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。
空
黑
引
引氣活門，
英漢對照民用航空詞典 B OEING
TECHNICAL DICTIONARY 21
BLOCKER DOOR, A device on the engine for blocking
the normal airflow during thrust reverser operation.
LOWER, An electrically operated fan for circulating air.
LOWOUT PANEL, A panel in the structure between
o compartments that opens to equalize pressure in
e compartments.
ODY GEAR, The landing gear attached to the
grounding.
正常的
氣流。
鼓風機，
用來使空氣循環的電動風扇。
壓口蓋，
兩個隔艙之間的口蓋，打開后可使兩艙壓力相等。
身起落架，
身構架上的起落架。
B
B
tw
th
B
fuselage structure.
BONDING JUMPER, An electrical connection between
a component and airplane structure for electrical
阻流門，
發動機上的一個裝置。在反推工作時用于阻擋
卸
機
裝在機
搭接片，
連接某個部件與飛機結構以形成接地的電接頭。
英漢對照民用航空詞典 B OEING
TECHNICAL DICTIONARY 22
BOOLEAN ALGEBRA, A mathematical system for
writing combinations of logical statements.
BOOST PUMP, An electrically operated fuel pump for
fuel supply from the airplane fuel tank to the fuel
manifold.
BORESCOPE, An electro-optical device for looking at
ternal parts of an engine through holes in the engine.
orescope ports)
OURDON TUBE, A curved flat tube in a pressure gage
r moving the pointer when pressure changes inside
on the ability of the brakes to
bsorb a predetermined amount of energy during a
jected takeoff.
用于通過發動機內的孔（孔探口）觀察發動機內部件的
光設備。
端管，
測壓計內的彎曲扁管，管內壓力的變化時它使指針移
力。
極限重量，
最
起飛重量。
發動機滑油系統與大氣相通的通氣口。
in
(b
B
fo
the tube.
BRACKET, To enclose or surround.
BRAKE ENERGY LIMIT WEIGHT, The maximum
takeoff weight based
a
re
BREATHER, A vent to ambient of the engine oil system.
布爾代數，
一種用于編寫復合邏輯命題的數學系統。
增壓泵，
從飛機油箱向總油管提供燃油的電動泵。
孔探儀，
電
包
動，以指示壓
托架，
用于作支撐、裝托、或圍繞之用。
剎車能量
中斷起飛過程中，取決于剎車吸收預定能量之能力的
大
通氣裝置，
英漢對照民用航空詞典 B OEING
TECHNICAL DICTIONARY 23
BUFFET, Vibration of the wings and airframe resulting
from unsteady airflow over the wing; caused when
airspeed is too slow, the bank angle is too steep, or
irspeed is too fast.
UILT-IN TEST EQUIPMENT, Equipment installed on
e airplane and in airplane systems to test the systems
ithout external test equipment.
UFFET MARGIN, The amount of residual maneuver
apability present before the onset of buffet.
UG SPEED, A preselecteed speed to be observed
nding sequence.
k
ng landing gear operation.
速度太慢或太快，坡度太大，均會引起抖振。
自檢設備，
安裝在飛機和飛機系統中，在無外接檢測設備情況下，
用于檢測系統的設備。
抖振裕度，
飛機在遭遇抖振之前，剩余機動能力的大小。
標速度，
在某些機動飛行過程中，特別是在進近和著陸時，飛機
預定速度。
力裝置，
架工作的一種機械設備（彈簧或減震器）。
流條，
在部件或組件之間傳輸電、數據、或定時的單一電線或
a
B
th
w
B
c
B
during certain maneuvers, particularly the approach and
la
BULKHEAD, A structural partition in the fuselage or wing.
BUNGEE, A mechanical device (spring or a shocabsorber) for assisti
BUS, A single wire or group of wires which transfers power, data, or timing between several units or
　
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