【正文】 average annual daily traffic volume 年平均日交通量average annual trip rate of inhabitant 居民年均出行率average axleweight 平均軸重average carkilometers per carday 客車平均日公里average coefficient of train 列車平均扣除系數(shù)average current of charging train 列車帶電平均電流average current of train 列車平均電流average daily EMU running kilometers 動車組日車公里average daily lootive running kilometers 機車日車公里average daily output of lootive 機車日產(chǎn)量average daily solair temperature 日平均綜合溫度average deceleration 平均減速度average delay stopping duration 平均延停時間average density 平均交通密度average detention time of car in transit 中轉車平均停留時間average distance between stations 站間平均距離average driving speed 平均行車速度average emergency braking deceleration 緊急制動平均減速度average flow of domestic hotwater supply 熱水供應平均流量average flow of transportation 平均運輸流量average gross haul tonnage of lootive。到達線arrival train 終到列車arrivaldeparture track 到發(fā)線arriving track 到達線arriving train 到達列車articulated bogie 關節(jié)轉向架articulated bus 鉸接式公共汽車（地鐵和公交）articulated car。 all metal passenger car 全金屬客車allocated lootive 配屬機車allocating factor of provided track 整備線配置系數(shù)allocation factor of service track 整備線配置系數(shù)allow clearance 可容間隙allowable bending stress due to thermal pensation 許用補償彎曲應力allowable capacity of passenger 容許旅客容量allowable bined stress due to external load 許用外載綜合應力allowable concentration 允許濃度allowable load on journals of same axle 允許軸載荷allowable maximum bending deflection of pipe 管道最大允許撓度allowable maximum velocity 最大允許流速allowable pressure drop 允許壓力降allowable resultant stress 許用合成應力allowable temperature difference 允許溫差allowable temperature drop of heating medium in pipeline 管道加熱媒介允許溫度降allowed indoor fluctuation of temperature and relative humidity 室內溫濕度允許波動范圍allpurpose coach 通用客車allsteel body 全鋼車身alternate route（ 車站）迂回進路alternate stopping 交錯停站alternating current mutator motor 交流換向器電動機（機車）ambient air quality 環(huán)境空氣質量標準ambient noise 環(huán)境噪聲ambient temperature 環(huán)境溫度ambulance box 救護箱ambulance coach 救護客車ambulance train 救護列車amount of pensated thermal expansion 補償器熱補償值amplification factor of control led plant 調節(jié)對像放大系數(shù)anechoic room 消聲室angle catch 窗插銷angle cock 折角塞門angle of attack 沖角angle of magnet wheel of maglev train 磁浮列車的磁輪角angle of repose。 air return mode 回風方式air return opening；air return inlet 回風口air return through corridor 走廊回風air return／exhaust fan 回排風機air risen spring lowered type pantograph 空氣提升彈簧降下式集電弓架air sharing 空氣分配air space 空氣間層air suction opening with slide plate 插板式吸風口air supply duct；inlet duct 送風道air supply fan room 送風機室air supply mode 送風方式air supply opening with slide plate 插板式送風口air supply section 送風段air supply volume per unit area 單位面積送風量air supply（suction）opening with slide plate 插板式送（吸）風口air suspension 空氣彈簧air suspension bellow 空氣彈簧氣囊air suspension overhaul 空氣懸掛大修air suspension reservoir 空氣彈簧風缸air system examination 空氣系統(tǒng)檢查air system maintenance 空氣系統(tǒng)維護air temperature 空氣溫度air through tunnel 地道風air valve 空氣閥air valve cage 空氣閥體air valve cap 氣閥罩air velocity at work area 作業(yè)(工作)地帶空氣流速air velocity；wind speed 風速air vent 放氣閥。 air pollutant。 instantaneous application time 實制動時間actual capacity of traffic 實際運量能力actual density 真密度actual distance 實際距離actual flow of heat supply network 熱網(wǎng)實際流量actual flow of traffic 實際運量流量actual heating load 實際熱負荷actual parking volume 實際停放量actual stopping distance 實制動距離actual temperature difference between supply water and return water 實際供回水溫差actual temperature of return water 實際回水溫度actual temperature of supply water 實際供水溫度actual train running graph 實際列車運行圖adaptive control 自適應控制adaptive control system 自適應控制系統(tǒng)adding value machine 自動充值機additional deducting coefficient 額外扣除系數(shù)additional factor for exterior door of PSD 屏蔽門外門附加率additional factor for intermittent heating 間歇附加率additional factor for room height 高度附加率additional factor for wind force 風力附加率additional heat loss 附加耗熱量additional passenger train 臨時旅客列車additional resistance 附加阻力additional thermal resistance 附加熱阻additional time for train starting and stopping 列車起停車附加時間adhesion braking 黏著制動adhesive capacity 粘著能力adhesive weight 黏著重量adhesive weight utility factor 黏著重量利用系數(shù)adiabatic humidification 絕熱加濕adjacency analysis 近鄰性分析adjacent curves in one direction 同向曲線adjacent station 鄰站adjacent track 相鄰軌道。鄰線adjacent wayside station 相鄰小站adjustable air damper 風窗口調節(jié)門adjustable cam 可調凸輪adjustable lifting track 可調抬軌機adjustable luminary 可調節(jié)燈具adjustable piston valve 可調活塞閥adjusted elevation 平差高程adjustment of car flow 車流調整adjustment of car loading 裝車調整adjustment of empty car 空車調整admission passage 進入道；進氣道admixing coefficient 混合系數(shù)adsorption cleaning 吸附式凈化adsorption equipment 吸附裝置adsorption of gas and vapor 氣體吸附adsorptive capacity 吸附能力adult ticket 成人票advance angle of fuel supply 供油提前角advance button 預告按鈕Advanced Passenger Train（APT） 先進型電氣化旅客列車（英國）advanced train control system 先進列車控制系統(tǒng)aero elevation 零高程aerodynamic noise 空氣動力噪聲aesthetic effects 美學效果AFC clearing center 自動售檢票清算管理中心AFC training equipment 自動售檢票教學設備after burning period 后燃期aggregate capacity 綜合容量aging behavior 老化特性aging curve 老化曲線AGP card 旅客入口顯示卡ahead cam 正車凸輪AHU fresh air fan 風柜式空調新風機air admittance valve 補氣閥air and vacuum dual brake equipment 空氣真空兩用制動裝置air balance 風量平衡air blocking area 風阻面積air blocking length 風阻長度air blocking thrust 風阻推力air blocking vehicle 風阻車輛air blower；booster fan 鼓風（送風）機air booster 壓氣（風動）助力器air borne noise 直接傳播噪聲air brake distributor 空氣制動分配器air brake equipment 空氣制動裝置air brake system 空氣制動系統(tǒng)air brake system pipe 空氣制動系統(tǒng)管道air brake test machine AB 空氣制動試驗機air brake（AB） 空氣制動air braking system 空氣制動系統(tǒng)air braking system testing stand 空氣制動裝置試驗（臺）裝置air change fan；ventilation fan 換氣扇air change rate；ventilating rate 換氣次數(shù)air channel 風道air circulation 空氣循環(huán)air cleaning 空氣凈化air cleanliness 空氣潔凈度air cock 放氣旋塞air collector 集氣罐