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A-frameA型骨架A-trussA型构架abrasion磨耗；磨蚀abrasivecut-offmachine磨切机abrasivegrindingmachine磨机(火石机)abrasiveparticle磨粒absorption吸收abutment桥台；拱座abuttingend邻接端acceleration加速accelerationlane加速车道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上落踏板；出入踏板accesstunnel隧道通道accessibleroof可到达的屋顶；有通道的屋顶accessory附件；配件accident事故；意外accidentalcollapse意外坍塌accommodate装设；容纳accreditedprivatelaboratory认可私营实验室accumulator储压器；蓄电池accuracylimit准确度极限acetylenecylinder乙炔气(风煤)樽acidplant酸洗设备；酸洗机acidpump酸液泵acidtank酸液缸acousticcouplant声耦合剂acousticcoupler声耦合器acousticlining隔音板acousticscreen隔声屏acrylicpaint丙烯漆料acrylicsheet丙烯胶片(阿加力胶片)activecorrosion活性腐蚀activeearthpressure主动土压力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；适配接头(万能苏)；转接器；接合器addition增设；加建additionalbuildingworks增补建筑工程additionalhorizontalforce额外横向力additionalplan增补图则additionalvent加设通风口additive添加剂adhesive黏结剂；胶黏剂adhesiveforce附力adit入口；通路；坑道口adjacentconstruction相邻建造物adjacentlevel相邻水平adjacentsite相邻地盘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adjuster调节器adjustment调校；调整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灌气aerationtank曝气池aerial天线aerialrapidtransitsystem架空快速运输系统aerialropeway架空缆车系统aerialview鸟瞰图aerofoil翼型aerosol悬浮微粒；喷雾affix贴附aftercooler后冷却器afterfilter后过滤器agent作用剂；代理人aggregate骨料；集料；碎石aggregatearea总面积aggregategrading骨料级配aggregatesuperficialarea表面总面积aggregateusablefloorspace总实用楼面空间agitator搅拌器；搅动机airbleeding放气airblower鼓风机airbrake气压制动器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风冷式冷冻机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；伴水泥airentrainingagent加气剂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气压掣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警钟alarmbuzzer警报器alga水藻align对准；调直；定线alignment(road)路线；线向(特指道路中线的位置与方向)alignmentplan(road)路线平面图alkali-silicareaction碱矽反应alkalineaggregatereaction碱性集料反应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allowablestress容许应力alloy合金alloysteelbar合金钢筋条alluvialdeposit冲积土层；冲积物alteration更改；改建；改动alternatingcurrent(a.c.)交流电alternativedesign替代设计alternativeroute替代路线alternator交流发电机aluminiumtape铝带amberflashinglight黄色闪灯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ampere(A)安培(电流量单位)amplification放大；增强amplitude幅；振幅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angleprobe斜探头angularvelocity角速度annunciationlamp警示灯annunciator传播器；呼唤器anode阳极anodevoltage阳极电压antenna天线anti-corrosionpaint防蚀漆anti-creepdevice防溜装置anti-liftroller防升滚轮anti-oxidizingpaint抗氧化漆anti-rustpaint防锈漆anti-skidchequer防滑格纹anti-skiddevice防滑装置anti-skiddressing防滑钢沙anti-skidmaterial防滑物料anti-slip防滑动；防空转；防打滑anti-staticchain抗静电链anti-statictyre抗静电轮胎anti-strippingagent防剥剂anti-syphonagepipe反虹吸管anti-tiproller防倾侧滚轮anti-vibrationmounting防震装置anti-vibrationpad防震垫anvil铁砧aperture隙缝；孔口apex顶尖apparatus仪器；装置；器具；器材appliance用具；装置；设备appliedcovering外加覆盖物appliedload外施荷载approach进路；引道；接驳道路；引桥approachchannel进港航道；引渠approachramp引道坡approachroad引道；进路approachspeed来车速度approachtaper楔形引道路段approachviaduct高架引道approvedmaterial经批准的物料approvedplan经批准的图则appurtenance附属物apron跳板；护板；停机坪arc电弧arccontact电弧触点arcrunner电弧滚环arcwelding电弧焊接arch拱；弓形；拱门architect建筑师；则师architecturaldecoration建筑装饰architecturalprojection建筑上的伸出物areatrafficcontrolsystem区域交通控制系统argonarcwelding氩气焊armature电枢arrangement排列；布置arrestingassembly止动装置arterialhighway干线道路arterialtraffic干线交通articleofagreement合约细则artificiallighting人工照明as-builtdrawing竣工图则as-constructeddrawing竣工图则asbestosabatementworks石棉拆除工程asbestoscement石棉水泥asbestosgasket石棉垫片ashpit排渣槽；灰坑asphalt沥青asphaltdistributor沥青喷洒机asphaltpaver沥青摊铺机asphaltroofing沥青屋面asphalticcoating沥青涂层asphaltic