曝光台 注意防骗
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PEEN, To cause a more corrosion resistant surface by multiple impacting it with a hard material such as steel pellets. Term for this is Shot Peening.
Defines a position on the aircraft relative to the mean
aerodynamic chord of the wing.
r as a percentage of a fixed
mount rather than revolutions per unit time.
amount.
ERFORMANCE DATA COMPUTER SYSTEM (PDC,
PDCS), A device which provides data to achieve the
most efficient and economical operation of the airplane.
PHASE OF FLIGHT, A portion of flight specifically
devoted to accomplishing such things as takeoff, climb,
cruise, descent or landing.
这个过程名为喷丸硬化处理。
平均气动弦百分比，
间转数来表示低
压压气机转子的转速。
性能数据计算机系统（PDC，PDCS），
一个能提供数据，使飞机达到最有效和最经济的操作的
置。
行阶段，
飞行中负有一定任务（如起飞、爬升、巡航、下降或
份。
PERCENT MEAN AERODYNAMIC CHORD (% MAC),
PERCENT N 1 , Expresses the speed of the low
pressure compressor roto
a
PERCENT N2 , Expresses the speed of the high
pressure compressor rotor as a percentage of a fixed
P
喷九，
为形成防腐能力更强的表面，多次用诸如钢丸的坚硬材料冲击表面。
用来确定飞机上一点相对于机翼平均气动弦的位置。
N1百分数，
以一定量的百分比而不以每一单位时
N2百分数， 以一定量的百分比来表示高压压气机转子的转速。
装
飞
着陆）的部
英汉对照民用航空词典 B OEING
TECHNICAL DICTIONARY 113
PHILLIPS HEAD SCREW, A cross point screw with two
en with a flat tipped Phillips head
crewdriver (see Reed and Prince).
ITCH, The rotation of an airplane around its lateral
xis.
ne
ose up and down movement controlled by the
levators (and stabilizer for trim).
ITCH RATE, The rate at which the airplane moves in
e pitch axis (nose up, nose down).
TIC TUBE, A tube facing the airstream
hich measures ram and static pressure. Used by
irplane instruments.
丝钉。由平
十字头螺丝钻驱动。
仰，
飞机绕横轴运动而造成机头的上下运动。
一侧通向另一侧的水平轴或横轴。升降舵控制
头绕此轴作上下的运动。（水平安定面则用以配平。）
俯仰率，
飞机绕俯仰轴运动（机头向上或向下）的速率。
管，
开口面对气流以量取空气的总压和静压，供飞机仪表使
的管道。
distinct tapers. Driv
s
P
a
PITCH AXIS, A horizontal or lateral axis passing
through the airplane from one side to the other. Airpla
n
e
P
th
PITOT STA
w
a
十字螺丝钉，
螺丝的顶面有两个明显的锥形十字四槽的螺
顶
俯
俯仰轴， 从飞机
机
总静压
用
英汉对照民用航空词典 B OEING
TECHNICAL DICTIONARY 114
PITOT Tmeasure UBE, A tube facing the airstream which
s ram pressure.
PLA, SEE - POWER LEVER ANGLE
r
e
LEXIGLAS, A registered trade name. A transparent
r any purpose.
NEUDRAULIC, A system or process which is a
res.
PNEUMATIC (NO. 1), Cold air, controlled and/or
pressurized.
托管，
面对气流以量取动压（冲压）的管子。
门杆角度，
见 Power Lever Angle
PLACARD, An attached sign providing information o
instruction.
PLENUM, An enlargement in a duct which changes th
flow characteristics of moving air. Used to remove
pulsations caused by variable airflow.
P
acrylic plastic material used for aircraft windshields and
side windows. JARGON TERM - sheet plastic of several
types and used fo
PMC, SEE - POWER MANAGEMENT CONTROL
P
combination of hydraulic and pneumatic pressu
皮
油
．
脉动。
机玻璃，
名。是飞机风档与侧风档所用的透明丙
控制，
标牌，
提供信息或说明的附贴标志。
整流腔，
管道中用以改变运动气流特性的扩大部份。用于消除可变气流引起的
有
是一个注册商品
烯酸塑胶制品。行家称之为多用途化学合成胶片。
动力管理
见 Power Management Control． 动液压，
推动的系统或过程。
1），
。
气
由液压和气压混合
压缩空气（NO．
经控制和／或增压后的冷空气
英汉对照民用航空词典 B OEING
TECHNICAL DICTIONARY 115
PNEUMATIC (NO. 2), Air, controlled and/or
pressurized.
OP OUT INDICATOR, A device on a filter which
roughout a material.
ition.
POSITIVE, Definite and intentional.
（No．2），
出指示器，
到达一定的压差时，它会从壳体内
指充满整个物体的细微小孔或空隙。
置基准的飞行管理计算机的一种操作。
肯定的，
一定而且有意的。
P
protrudes from its housing when a specific differential
pressure is reached.
POROSITY, The term for pores or small cavities
th
POSITION SHIFT, An FMC operation used to change
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英汉对照词典(34)
