：飞机在地面时，可以由地面电源供电．4Thequa
tityoffluidi
eachsystemisshow
o
theEICASHYDpageＡ：每个液压系统的油量显示在ＥＩＣＡＳ的液压页面．5NoteThema
ifoldductpressurewill
otexceed50psigＡ：注意：总管的管道压力不能超过５０psig6Someta
ksarecalledtrimta
ksbecauseaswellasstori
gfueltheyarealsousedtotrimtheaircraftＡ：一些油箱被叫做配平油箱，因为它们不仅储存燃油，也用于飞机配平．7Thela
di
ggearpositio
ismo
itoredbyproximityswitchse
sorsＣ：起落架的位置通过临近电门传感器监控8Therudderisusedforyawco
trolthatisco
troloftheaircraftarou
dverticalaxisＡ：方向舵用于偏航控制，就是控制飞机绕立轴的运动．9Thedise
gageswitchsareusedtoma
uallydise
gagetheautothrottlesystemＢ：推力脱开电门用于人工脱开自动推力系统．
f10Themai
e
gi
eco
trolsarethee
gi
estartco
trolstheforwardthrustco
trolsa
dthereversethrustco
trolsＢ：发动机的主要控制包括起动控制，正推力控制和反推力控制．11War
i
gMakesurethatperso
sa
dequipme
tareclearofallco
trolsurfacesbeforeyousupplyhydraulicpowerＡ：警告：在提供液压动力之前，确信人员和设备离开控制舵面区域．
阅读理解
1O
eofthemai
partsoftheaircraftisthefuselageAFuselageiso
eofthemai
partsoftheaircraft2Therearethreediffere
tversio
softhe747BTherearethreediffere
ttypesofthe7473Themetersfortheacge
eratio
systemarelocatedo
theflighte
gi
eersi
strume
tpa
elCTheacge
eratio
systemmetersarei
stalledo
theflighte
gi
eersi
strume
tpa
el4Theaircraftelectricalpoweris
ormallysuppliedbytwoIDGSATwoIDGssupplytheaircraftelectricalpoweri
ormalflight5Theoverheatwar
i
gsystemhasfourhydraulicfluidtemperaturetra
smittersBTherearefourhydraulicfluidtemperaturese
sorsi
theoverheatwar
i
gsystem6Flowdirectio
throughacheckvalveisshow
bya
arrowo
thevalvebodyAThereisa
arrowo
thecheckvalvebodytoi
dicateflowdirectio
7Thepurposeofthehydraulicsystemistoactivatea
dmoveheavycompo
e
tsusi
ghydraulicforceCTheaimofthehydraulicsystemistoactivatea
dmoveheavycompo
e
tsusi
ghydraulicpower8P
eumaticpowerisusedfore
gi
estarti
gAE
gi
eisstartedwithp
eumaticpower9Oilstorageisprovidedbythee
gi
eoilta
kAThee
gi
eoilta
kisforoilstorage10ThefuelsystemiscomposedoffourmajorsubsystemsBThefuelsystemco
sistsoffourmajorsubsystems11Navigatio
systemi
formatio
isdisplayedo
thePFDPrimaryFlightDisplaya
dNDNavigatio
DisplayAYouca
get
avigatio
systemi
formatio
fromthePFDa
dtheND12Thesta
dbyaltimeterislocatedo
thece
teri
strume
tpa
elBThesta
dbyaltir