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ATypeWoodenLadderA字木梯A-frameA型骨架A-trussA型构架Aandon废弃Abandonedwell废井Aberrationofneedle磁针偏差Abnormalpressure异常压力abnormallyhighpressure异常高压Abort中止abrasion磨损Abrasionsurface浪蚀面abrasivecut-offmachine磨切机AbrasiveCuttingWheel拮碟abrasivegrindingmachine研磨机AbrasiveGrindingWheel磨碟abrasiveparticle磨料颗粒Absoluteaddress绝对地址Absolutealtitude绝对高度Absolutedamping绝对阻尼Absolutedeviation绝对偏差Absoluteflyingheight绝对航高Absolutegravity绝对重力absolutepermeability绝对渗透率absoluteporosity绝对孔隙率absolutetemperature绝对温度absorbability吸收性；吸附性absorption吸收abutment桥墩abuttingend邻接端acceleration加速accelerationlane加速车道Accelerationofgravity重力加速度accelerationpedal加速器踏板accelerator催凝剂；加速器；催化剂acceptancecriteria接受准则access通路；通道accessdoor检修门；通道门accesslane进出路径accesspanel检修门accesspoint入口处；出入通道处accessramp入口坡道；斜通道accessroad通路；通道accessshaft竖井通道accessspiralloop螺旋式回旋通道accessstaircase通道楼梯accessstep出入口踏步accesstunnel隧道通道accessibleroof可到达的屋顶accessory附件；配件accident事故；意外accidentalcollapse意外坍塌accommodate装设；容纳accreditedprivatelaboratory认可的私人实验室accumulator储压器；蓄电池accuracylimit精度限制acetylenecylinder乙炔圆筒AcetyleneHose煤喉AcetyleneRegulator煤表acidplant酸洗设备；酸洗机acidpump酸液泵acidtank酸液缸acidicrock酸性岩acousticcouplant声耦合剂acousticcoupler声音藕合器；音效藕合器acousticlining隔音板acousticscreen隔声屏Acousticwave声波acrylicpaint丙烯漆料(压克力的油漆)acrylicsheet丙烯胶片(压克力的胶片)activecorrosion活性腐蚀activeearthpressure主动土压力activefault活断层activeoxidation活性氧化actualplotratio实际地积比率actuator促动器；唧筒；激发器adapt改装adaptor适配器；承接器；转接器；addition增设；加建additionalbuildingworks增补建筑工程additionalhorizontalforce额外横向力additionalplan增补图则(附加的平面图)additionalvent加设通风口additive添加剂Address地址adhesive黏结剂；胶黏剂adhesiveforce附着力AdhesiveGlue万能胶AdhesiveReflectiveWarningTape反光警告贴纸adit入口；通路；坑道口adjacentconstruction相邻建造物adjacentlevel相邻水平adjacentsite相邻基地adjacentstreet相邻街道adjoiningarea毗邻地区adjoiningbuilding毗邻建筑物adjoiningland毗邻土地adjoiningstructure毗邻构筑物adjustable可调校AdjustableWrenchSpanner昔士adjuster调节器adjustment调校；调整AdministrativeLawsuit行政诉讼AdministrativeRemedy行政救济admixture掺合剂；外加剂advancedirectionalsign前置指路标志；方向预告标志advanceearthworks前期土方工程advancewarningsign前置警告标志advanceworks前期工程aeration曝气aerationtank曝气池aerial天线Aerialmapping航空测图aerialphotograph航测照片Aerialphotography航照定位aerialrapidtransitsystem高架快速运输系统aerialropeway高架缆车系统aerialview鸟瞰图aerofoil翼型aerosol悬浮微粒；喷雾aerosphere大气圈affix贴附aftercooler后冷却器afterfilter后过滤器aftershock余震agent作用剂；代理人aggradation堆积aggregate骨材；集料；碎石aggregatearea总面积aggregategrading骨材级配aggregatesuperficialarea表面总面积aggregateusablefloorspace总楼地板空间agitator搅拌器；搅动机airbleeding放气(空气渗出)airblower鼓风机airbrake气压制动器Airchambor气室aircircuit空气回路aircircuitbreaker空气断路器aircleaner空气滤清器aircompressor空气压缩机aircompressorgovernor空气压缩机调压器airconditioning空气调节aircooledchiller风冷式冷却机aircooler空气冷却器aircoolingsystem空气冷却系统；风冷系统aircouplingvalve空气联接阀aircurtainfan风帘风扇aircylinder气缸；气筒airdamper风闸；气流调节器airdistributionsystem配气系统airdistributor空气分配器airdryer空气干燥器airduct通风管道；气槽airentrainedcement加气水泥；伴沬水泥airentrainingagent输气剂airexhaust排气口airfilter空气滤器；风隔；隔尘网airfilterchamber空气过滤室airflowmeter风量计；空气流量计airgap气隙airgrill空气格栅airinlet进风口；进气孔airinletlouver进气百叶airinletport进气口airintake进风口；进气孔；入气口airintakeduct进风槽airintakefilter进气过滤器airisolatingcock空气隔断旋塞airlinebreathingapparatus气喉型呼吸器具airlinestrainer进气管道隔滤器airoutlet出风口airoutletgrille空气出口栅格airparticle空气粒子airpassage风道airpipe/pipework通气管；送气管airpiston空气活塞airpressuregauge气压表airpressureswitch气压闸airpressurizationsystem空气加压系统airreceiver空气储存器airreservoir储气缸airrestrictor空气节流器airshuttlevalve阻气阀airsprayer喷涂器airspring空气弹簧airstrainer空气隔滤器；空气滤网airsupplyoutlet供气出口airsupplyvalve供气阀airtank空气箱airvalve进出气阀；放气阀airvalvepit进出气阀井；放气阀井airventcock通风管旋塞airventilator空气通风器air-operateddamper气动风闸airshaft通风竖井airtightcover气密盖airydryvarnish风干清漆alarm警报；警报器alarmbell警报钟alarmbuzzer警报器alga藻类Alidade照准仪alidate照准仪align对准；调直；定线alignment(road)路线；准线(特指道路中线的位置与方向)alignmentplan(road)路线平面图alkali-silicareaction碱硅反应alkalineaggregatereaction碱性集料反应alkalineearth碱性土alkalinepump碱液泵alkalinetank碱液缸alkalinity碱度all-purposeroad混合车道；综合车道alley巷allowableload容许载重；容许荷载Allowablepressure容许压力allowablestress容许应力alloy合金alloysteelbar合金钢筋条alluvialdeposit冲积土层；冲积物alluvialplain冲积系alteration更改；改建；改动Alternatingcurrent交流电alternatingcurrent(a.c.)交流电alternativedesign替代设计alternativeroute替代路线alternator交流发电机Altimeter高度计Altitude高度；地平纬度；海拔Altitudecorrection高度修正Altitudeerror高度误差Altitude-tintlegend高程表AluminiumFlatBar铝扁条aluminiumtape铝卷尺aluminumbridge铝桥AluminumSheet花铝板amber琥珀amberflashinglight黄色闪光灯Ambient周围ambientpressure周围压力ambienttemperature环境温度；周围温度amendment修订amenities市容建筑；设施；康乐设施amenityarea美化市容地带amenityrailing美观栏杆ammeter电流表；安培计Ammoniumnitrate硝酸铵Amortisseur减震器Amortization减震Ampere安培（电流单位）ampere(A)安培(电流量单位)Ampere'slaw安培定律amplification放大；增强Amplifier放大器amplitude幅；振幅Amplitudeanomaly振幅异常Analog模拟Analogsignal模拟信号Analogue模拟anchor锚；锚竿支撑anchorbearing锚承；锚座anchorbolt锚栓anchorplate锚碇板anchorage锚碇；碇泊区；抛锚区；锚固anchoragelength锚固长度anchoringstrength锚固强度ancillarybuilding附属建筑物ancillaryfacilities附属设施ancillaryinstallation附带装置ancillaryworks附属工程anglecutter角铁切割机angleironbracket角铁支架；角铁托架Angleofdeclination偏角Angleofdepression俯角Angleofdip倾角Angleofelevation仰角angleofemergence出射角angleofincidence入射角angleofinclination倾斜角angleofintern