【正文】 6。 坡口面角度angle of impingement （焊縫）轉(zhuǎn)角angle sheer wave probe 斜探angle type drain valve 埃（計(jì)量單位）angular deformation (of butt welding joint) 角變形angular distortion 角形位錯(cuò)，角形錯(cuò)位angularity of tangent line 各向異性annealed material 退火annealed aluminium 年度增補(bǔ)annular 環(huán)形線圈間隙angular coils 圓環(huán)annulus 層板和接管頸部之間的環(huán)隙anode corrosion inhibitor 陽極壓降anode fall 美國國家標(biāo)準(zhǔn)學(xué)會(huì)ANSI Standard pipe flanges and fittings 無煙煤anticipated life 預(yù)期（估計(jì)，估算的）最高允許工作壓力anticipated operating life 預(yù)期壓力anticipated time to failure 抗磨化合物antiseismic test 防咬死化合物antivibration test 銻（Sb）aperture leak 頂角apparatus 出現(xiàn)應(yīng)變線appearance of weld 附錄appliance 附件和配件applicable documents 適用（的）要求applicant （1）申請（2）用途application, calibration and maintenance of test gages 申請授權(quán)使用規(guī)范鋼印application for Code Stamp 申請書application of Code 磁粉的施加application of pressure 安裝工藝applied corrosion resistant linings 襯里appliedlining construction 外加載荷applied loading stress 作用應(yīng)力appraisal 鑒定費(fèi)用approval 焊工錄用考試approved Code specification 批準(zhǔn)稿approved specification 被錄用的焊工approved welding procedure 近似的approximate analysis 大概位置，估計(jì)位置approximate solution 疲勞強(qiáng)度近似解appurtenance 附件材料arbitrary figure （1）弧（2）電弧arc air gouging 電弧氣氛arc blow 弧柱arc core 電弧切割arc efficiency 電光性眼炎arc force 弧長arc length 弧長控制arc length of relevant redial gap 電弧的運(yùn)動(dòng)arc oscillation 電弧縫焊arc sensor 電弧自身調(diào)節(jié)arc spot welding 電弧穩(wěn)定性arc stiffness 打弧，碰弧arc stud welding 電弧電壓arc voltage control （AVC） 電弧焊arc welding electrode 拱形橫條area equalization method 弓形面積area of microsegregation 高應(yīng)力集中的可能部位area of reinforcement 不確定區(qū)area requirement 補(bǔ)強(qiáng)的面積要求area to be pensated 氬弧焊argon blowing 氬氫混合氣體（物）arithmetical average deviation 砷（As）art of boiler construction 章artificial aging 人工缺陷asbestos gasket 石棉片asbrazed 復(fù)合狀態(tài)下的面積asclad condition 浸漬型熱鍍鋁層asfinned 熱處理邊緣ashot worked product 收貨狀態(tài)“asreceived” material 軋態(tài)as rolled surface 焊態(tài)aswelded condition 灰坑ASME=American Society of Mechanical Engineers ASME規(guī)范標(biāo)志鋼印ASME Collective Membership Mark ASME指定的人員ASME symbols 裝配廠，安裝者assembler’s stamp （1）組合（2）組裝，裝配assembly jigs 安裝方法assessment 評(píng)定線assessment of defect 評(píng)定點(diǎn)assessment of significance of weld defect 優(yōu)點(diǎn)，益處assign and remove welders 確定性原因assignment of welder identification symbols 假想孔assumed value 假設(shè)ASTM=American Society for Testing Materials ASTM代號(hào)asymmetric double V groove 承受不對稱載荷的薄殼asymmetric elastic stress field 根據(jù)制造廠的選擇atmosphere of furnace 大氣條件atmosphere contamination 大氣壓強(qiáng)atmosphere tank 原子質(zhì)量單位atomic plane 原子結(jié)構(gòu)attached test coupon （1）連接（2）附件attachment area 裝配細(xì)節(jié)attachment joint 附件載荷attachment of applied linings 鍋爐本體與管道的連接attachment procedure 連接焊縫attachment weld metal 附件和支承（撐）attenuation （1）緩沖材料（2）衰減器atypical 音響泄漏指示器audible warning device 檢查，巡檢（查） （、局部或全面（部）的復(fù)查）augmented surface heat exchanger 奧氏體鉻鎳不銹鋼austenitic creep resistant steel 奧氏體晶界austenitic stainless steel 奧氏體鋼austenitic test record 權(quán)力，權(quán)限authority to use the material 授權(quán)authorization Code symbol 授權(quán)用印，授權(quán)使用鋼印authorized Code inspection 授權(quán)檢驗(yàn)Authorized Inspector （.） 授權(quán)檢驗(yàn)機(jī)構(gòu)Authorized Observer (AO) 授權(quán)代表，被授權(quán)的代表autofrettage 自增強(qiáng)效應(yīng)autofrettage of thick cylinder 自增強(qiáng)狀態(tài)autogenous process 單道自熔焊autogenous welding head 自動(dòng)釬焊automatic deburring machine 自動(dòng)控制裝置automatic feedback system 自動(dòng)燃料調(diào)節(jié)控制器automatic lowwater fuel cutout 自動(dòng)氣割automatic pressureactuated relieving device 自動(dòng)泄壓裝置automatic recording of temperature 自動(dòng)順序控制器automatic shutoff valve 水位表的自（動(dòng)封）閉式鋼球防護(hù)裝置automatic water gage 自動(dòng)焊auxiliaries 輔助給水加熱和循環(huán)裝置auxiliary firing 輔助泄壓閥available 有效慣性矩available space 平均排放系數(shù)，平均排汽系數(shù)average grain size 平均壽命average membrane stress 中部周向平均伸長average of defect rate 平均應(yīng)力average wall tubing 美國焊接協(xié)會(huì)AWS Classification 軸向?qū)?zhǔn)，軸向?qū)χ衋xial flow 軸向載荷axial temperature distribution 軸向拉伸axial thermal gradient 焊縫軸線axisymmetrical surface of revolution CA=chemical analysis 籠式扶梯，帶護(hù)欄的梯子cage for the tube bundle 碳酸鈣結(jié)垢calculated test pressure 應(yīng)力的計(jì)算值calibrated flowmeter 檢定，校準(zhǔn)calibration of test gage 校準(zhǔn)反射體call for bids on 招標(biāo)camber （1）容量（2）蒸發(fā)量（3）能力（4）功率（5）排放量capacity certification 容量換算capacity lift 額定排量，額定泄放量capacity test data report 毛細(xì)管作用capillary attraction 封頂（沸騰）鋼，壓蓋（沸騰）鋼capping operation 碳化物形成元素carbide phase 碳弧氣刨carbon arc cutting 碳含量carbon diffusion 碳電極carbon equivalent 碳當(dāng)量計(jì)算公式carbon highalloy steel 低合金碳鋼carbonmolybdenum alloysteel boiler tube 一氧化碳carbon steel 焊接點(diǎn)carbon steel seamless drum forging 碳強(qiáng)化（作用）carbonitride 增碳的水煤氣carburized austenitic grain 載液casing 泵殼（體）casing of safety valve 暗殼cast analysis 可鍛鑄鐵cast header 高合金鋼鑄造法蘭cast iron 鑄鐵閥體的安全泄壓閥cast iron header 鑄鐵泥鍋爐/鍋筒cast iron pipe flange 螺紋連接的鑄鐵附件cast nodular iron 鑄件cast structure 鑄件casting for pressure part （1）鑄件質(zhì)量系數(shù)（2）鑄造質(zhì)量系數(shù)casting repair 觸媒catastrophic failure 失效類別cathode copper 陰極射線示波器cathodic corrosion inhibitor 陰極保護(hù)cause code 報(bào)廢原因，拒收原因cause of deficiency 失效原因caustic 形成空穴，成穴（作用）cavitation nucleation rate 空穴cells 沉淀銅cementedcarbide 硬質(zhì)合金刀具center ingot segregates 矩心center o