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abatypewoodenladdera字木梯ba-framea型骨架backazimuth反方位角a-trussa型构架back-fire逆火aandon废弃back-uparea后勤地区；辅助埸地abandonedwell废井backfill回填；回填土aberrationofneedle磁针偏差backfillmaterial回填物料abnormalpressure异常压力backgroundnoise背景噪音abnormallyhighpressure异常高压backingplate垫板；背板abort中止backsight后视abrasion磨损baddata不良资料abrasionsurface浪蚀面badearth接地不良abrasivecut-offmachine磨切机baffle隔板；挡板abrasivecuttingwheel拮碟baffleplate遮挡板abrasivegrindingmachine研磨机bafflewall遮挡墙abrasivegrindingwheel磨碟balancetank调节池；均衡槽abrasiveparticle磨料颗粒balanceweight平衡锤absoluteaddress绝对地址balancedload平衡载重absolutealtitude绝对高度balancer平冲器absolutedamping绝对阻尼balancing平差absolutedeviation绝对偏差balancingasurvey测量平差absoluteflyingheight绝对航高balancingpipeline平衡水管absolutegravity绝对重力balcony露台absolutepermeability绝对渗透率ballbearing滚珠轴承absoluteporosity绝对孔隙率ballcaster平底波辘absolutetemperature绝对温度ballpeenhammerw/handle圆头锤absorbability吸收性；吸附性ballpointhexkeyset(extra-long)加长波头套庄六角匙absorption吸收ballvalve浮球阀；球形阀；波阀abutment桥墩ball-and-socketjoint球窝接头abuttingend邻接端ballast道碴acceleration加速bamboobridge竹桥accelerationlane加速车道bamboobroom竹扫把accelerationofgravity重力加速度bamboohandletoiletbrush竹柄鲍鱼刷accelerationpedal加速器踏板bambooscaffolding竹枝棚架accelerator催凝剂；加速器；催化剂bandbrake带式制动器acceptancecriteria接受准则bandclamp带夹access通路；通道bansheealarm尖啸警报accessdoor检修门；通道门bar铁枝；杆；巴(压力量单位)accesslane进出路径bartendon钢筋accesspanel检修门barbedwire有棘铁线accesspoint入口处；出入通道处bargingarea驳运地点accessramp入口坡道；斜通道barrack营房accessroad通路；通道barrel管筒；芯管accessshaft竖井通道barrette方形桩accessspiralloop螺旋式回旋通道barricade路障；障碍物accessstaircase通道楼梯barrier栏栅；护栏；障碍物；屏障accessstep出入口踏步barrierblock路障accesstunnel隧道通道barriergate路闸accessibleroof可到达的屋顶barrierplate阻挡板accessory附件；配件basalplane基面accident事故；意外basculebridge开合式活动吊桥accidentalcollapse意外坍塌base基座accommodate装设；容纳basecourse路面下层；承重层；路基层accreditedprivatelaboratory认可的私人实验室baseframe基架accumulator储压器；蓄电池baseinsulator基架绝缘器accuracylimit精度限制baselevel基准面acetylenecylinder乙炔圆筒basemap底图acetylenehose煤喉baseplate底板；垫板acetyleneregulator煤表basesealing底部密封胶acidplant酸洗设备；酸洗机baseslab平底板acidpump酸液泵basesupport底座支架acidtank酸液缸basetemperature基础温度acidicrock酸性岩baseline基线；底线；基准线acousticcouplant声耦合剂baselineprogramme基线计划acousticcoupler声音藕合器；音效藕合器basement地库；地窖；地下室acousticlining隔音板basin盆地acousticscreen隔声屏batchingplant混凝土混和机；配料厂acousticwave声波bathmeter深度计acrylicpaint丙烯漆料(压克力的油漆)batterlevel测斜器acrylicsheet丙烯胶片(压克力的胶片)batterpile斜桩activecorrosion活性腐蚀battery蓄电池activeearthpressure主动土压力batteryacidlevel电池酸位activefault活断层batterycellvolt蓄电池电压activeoxidation活性氧化batterycells电芯actualplotratio实际地积比率batterycharger电池充电器actuator促动器；唧筒；激发器batteryelectriclocomotive电力机车adapt改装batteryelectrolyte电池电解液adaptor适配器；承接器；转接器；battery-powereddevice电池推动装置addition增设；加建bauxite铝土additionalbuildingworks增补建筑工程beacon闪光指示灯additionalhorizontalforce额外横向力bead焊珠additionalplan增补图则(附加的平面图)beam横梁additionalvent加设通风口beam(orgirder)bridge梁式桥additive添加剂beamanarc贝门弧address地址bearing支座；支承；承座；轴承(啤令)；方向角adhesive黏结剂；胶黏剂bearingangle方位角adhesiveforce附着力bearingcapacity承载力adhesiveglue万能胶bearingforce承重能力；承载能力adhesivereflectivewarningtape反光警告贴纸bearingpad支承垫片；承重垫片adit入口；通路；坑道口bearingpile支承桩adjacentconstruction相邻建造物bearingpin支承栓钉adjacentlevel相邻水平bearingplate支承垫板adjacentsite相邻基地bearingstress支承应力adjacentstreet相邻街道bearingsurface支承面adjoiningarea毗邻地区bedding底层；层理adjoiningbuilding毗邻建筑物bedplate座板adjoiningland毗邻土地bedrock基层岩adjoiningstructure毗邻构筑物behaviour性能；状况adjustable可调校belishabeacon斑马线灯；黄波灯adjustablewrenchspanner昔士bellowpot气囊；气囊筒adjuster调节器bellyband安全带adjustment调校；调整belt带；皮带administrativelawsuit行政诉讼beltconveyor带式输送机administrativeremedy行政救济beltguard皮带护罩admixture掺合剂；外加剂belttension皮带拉力advancedirectionalsign前置指路标志；方向预告标志bend弯角；弯位；路弯；弯管advanceearthworks前期土方工程bendingforce弯曲力advancewarningsign前置警告标志bendingstress弯曲应力advanceworks前期工程benkelmanbeamtest贝克曼梁试验aeration曝气bentonite膨润土aerationtank曝气池bermchannel斜水平台渠aerial天线berth停泊处；碇泊位aerialmapping航空测图bevel斜角；斜面aerialphotograph航测照片bias偏移aerialphotography航照定位biasmagnetic磁偏aerialrapidtransitsystem高架快速运输系统billofquantities工料清单aerialropeway高架缆车系统binder黏合料aerialview鸟瞰图bisectrix等分线aerofoil翼型bit钻头aerosol悬浮微粒；喷雾bitumen沥青aerosphere大气圈bitumencoating沥青外衬(沥青护膜)affix贴附bitumenfelt沥青纸aftercooler后冷却器bitumenlining沥青衬里afterfilter后过滤器bitumenpaint腊青油aftershock余震bitumenpaper腊青纸agent作用剂；代理人bituminousconcrete沥青混凝土aggradation堆积bituminousmacadam沥青碎石aggregate骨材；集料；碎石bituminouswaterproofmembrane沥青防水膜aggregatearea总面积blackcanvashose黑色帆布喉aggregategrading骨材级配blackironpipe(classb)b级黑铁喉aggregatesuperficialarea表面总面积blackrubbergloves黑胶手套aggregateusablefloorspace总楼地板空间blacksteelstrapping黑铁皮agitator搅拌器；搅动机blackweldingglass黑玻璃airbleeding放气(空气渗出)blade剪刀；叶片airblower鼓风机blankflange盲板法兰；盲板凸缘；管口盖板airbrake气压制动器blankingplate封板airchambor气室blast-furnace鼓风炉aircircuit空气回路blast-furnaceslagcement炉渣水泥aircircuitbreaker空气断路器blasting爆石；爆破aircleaner空气滤清器bleednipple放气嘴；减压嘴aircompressor空气压缩机bleedoffpipe溢流管aircompressorgovernor空气压缩机调压器bleedscrew放气螺钉；减压螺钉airconditioning空气调节bleeding泌浆(混凝土)；泌水性(混凝土)aircooledchiller风冷式冷却机blendedcement混合水泥aircooler空气冷却器blendingcontrol混合控制aircoolingsystem空气冷却系统；风冷系统blinding补路石砂；(填充表面孔隙的细石)aircouplingvalve空气联接阀blinds百叶窗aircurtainfan风帘风扇b