定期periodical; regular; regularity 定期复查periodic check
定位location; orientation; fixed position 定位焊tack welding 定位焊缝tack weld
定位精度positional accuracy 定位螺钉set screw
定位套管location sleeve 定向orientation
定向研究oriented research 定义definition
定应力constant stress
定应力蠕变-时间曲线constant stress creep-time curves
动[dong]
动力motive force; motive power; dynamic force 动力锅炉power boiler
动力驱动的压力泄放阀power-actuated pressure relieving valve
动力源power source; source of power 动能kinetic energy
动态dynamic state; dynamic condition 动态断裂韧性dynamic fracture toughness 动态范围dynamic range
动态三点弯曲试验dynamic three-point bent test 动态泄漏试验dynamic leak test
斗[dou]
斗级图hopper diagram
陡[dou]
陡波steep wave
陡坡steep gradient; steep grade
独[du]
独立independent
独立监督independent supervision
独立受火过热器independently fired superheater 独立受压室independent pressure chamber 独到之处unique feature 独特unique
堵[du]
堵管tube plugging
堵管技术tube plugging technique 堵塞blank off; plugging; stoppage 堵塞材料plugging material 堵塞技术plugging technique
渡[du]
“渡越时间”质谱仪time of flight MS (TOF MS)
镀[du]
镀锌galvanize; zinc coat 镀锌薄钢板zinc-coated sheet 镀锌层zinc coat
镀锌钢galvanized steel
镀锌钢管galvanized steel pipe 镀锌钢丝zinc-coated wire 镀锌容器galvanized vessel 镀液bath; plating bath
端[duan]
端部end
端部缝隙end crevice
端部焊接的进口接头weld-end inlet connection 端部螺纹段的顶锻upset for threading 端部效应end effect 端封头end head 端盖end closure
端接法兰terminating flange 端接焊缝edge weld 端接接头edge joint
端面平度flatness of end surface 端头连接件terminal connection
短[duan]
短半径short radius
短半径弯头short radius elbow 短横hyphen
短横向short transverse direction 短横向拉伸试验S/T tensile test 短拉杆stay bolt 短路short circuit
短路电流short circuit current 短路过渡short circuiting transfer 短期short term; short time 短期试验数据short time data 短时short time; short term
短时断裂强度short term stress stress rupture strength 短时高温拉伸试验short-time elevated temperature tension test
短时机械性能short-term mechanical property 短小焊缝small weld 短园筒short cylinder 短渣short slag 短轴minor axis 短轴长度short span 短轴距short span
段[duan]
段数number of stages
断[duan]
25
断电power-off; cut-off
断电脱扣de-energize to trip 断晶disintegration
断晶迹象sign of disintegration 断口fracture]
断口剪切百分率percent shear fracture appearance 断口分析fracture analysis 断口结构fracture texture
断口局部延伸local extension at fracture 断口试验fracture test
断口组织显微镜检查fractographic examination 断裂fracture; break down; rupture 断裂点breaking point
断裂分析图fracture analysis diagram 断裂路程fracture path 断裂理论theory of fracture 断裂力学fracture mechanics
断裂力学计算fracture mechanics calculation
断裂面fracture face; fracture plane; fracture surface; crack face
断裂面条纹striations on fracture surface 断裂前变形prefracture deformation 断裂强度曲线rupture strength curve 断裂韧度fracture toughness
断裂韧度换算关系fracture toughness relationships 断裂时间time to rupture 断裂试验fracture test 断裂寿命life to rupture 断裂应变fracture strain
断面fracture; section; cross-section
断面收缩率percentage of reduction; reduction in area; reduction-of area (PA)
断销装置breaking pin device 断续intermittence; interruption 断续焊intermittent welding 断续咬边intermittent undercut
锻[duan]
锻板forged plate 锻材forged material
锻钢wrought steel; forging steel 锻焊forge welding; forge welded 锻焊容器forge-welded vessel 锻焊式容器forge-welded vessel
锻件forged piece; parts forging; forgings 锻件技术条件forging specification 锻坯forged billet
锻造forging; smiting; forge smiting; forge work
锻造比forging ratio
锻造的钢管法兰forged steel pipe flange
锻造的合金钢管法兰forged alloy-steel pipe flange 锻造的接管forged nozzle
锻造的锥形封头forged conical head 锻造封头forged head 锻造过程forging process 锻造加工forge work 锻造容器forged vessel
锻造要求forging requirements 锻造量amount of forge work 锻制材料forging material
锻制的承压零部件forged pressure parts 锻制锅筒drum forging
锻制和镗制管forged and bored pipe
堆[dui]
堆存store up 堆垛stack 堆放pile up
堆放工件（零件）stacked items
堆焊build-up; overlaying; surfacing; weld overlaying; buttering
堆焊层weld overlay; weld metal overlay; over-weld deposit; weld deposition overlay; weld metal buildup; clad layer
堆焊层下开裂underclad cracking; under cladding cracking
堆焊成的垫板build-up pad 堆焊试块weld pad 堆积stack up
堆积飞溅spatter build-up 堆内寿命in-pile life 堆芯reactor core
对[dui]
对接盖板butt strap 对比度contrast
对残余元素含量的限定restriction on residual elements
对策combating method; means of combating 对称symmetry
对称结构symmetrical structure
对称结构截面symmetrical structural section 对焊butt welding
对焊法兰welding neck flange 对焊线butt weld line
对交货的一般要求general requirements for delivery 对角线diagonal; diagonal line
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对角线节距diagonal pitch 对角线孔桥diagonal ligaments 对接butt joint; butt
对接缝焊butt seam welding 对接焊butt welding 对接焊缝butt weld
对接焊缝线butt weld line 对接焊颈部butt welded hub
对接焊连接butt welded attachment 对接截面abutting sections 对接接头butt joint
对接接头的最后加工finish of butt joint 对接钎焊接头butt braze 对接型接头butt type joint 对开活套法兰split flange
对口错边公差alignment tolerance 对流convection
对流段convection section 对流沸腾convective boiling 对缺陷定量sizing defects 对数log; logarithm
对数流变螺线logarithmic spiral flow lines 对数螺线logarithmic spiral lines 对碳的亲和力affinity for carbon 对碳量的限定restriction on carbon 对准alignment
对准部件aligning parts
对准公差alignment tolerance
镦[dun]
镦粗upset
镦粗变形 upsetting deformation 镦粗压力upset pressure 镦锻upset forging
镦锻化upset ratio; upsetting ratio
镦锻机upset forging machine; upsetting machine; upsetting press
镦锻塞子swaged plug 镦锻压力upset pressure 镦焊upset welding
钝[dun]
钝边root face
钝边高度thickness of root face 钝化passivation; inactivation 钝化表面passive surface 钝化处理passivate 钝角obtuse angle 钝态passive state
钝性passivity
多[duo]
多边multilateral 多边形polygon
多边形化polygonization; polygonisation 多边形化裂纹polygonisation crack 多边形铁素体polygonal ferrite
多边形铁素体转变polygonal ferrite transformation 多层multilayer; layered; multiple layer; multiple layers 多层部分layered portion 多层段layered section
多层堆焊multiple layer cladding 多层法兰layered flange
多层复合multiple layers of cladding 多层过渡段layered transition section 多层焊multi-layer welding
多层和整体壳体段之间的焊接接头welded joints of layered-to-solid sections 多层筒体layered shell
多层筒体段layered shell section
多层筒体段过渡段transitions of layered shell sections 多层结构layered construction
多层金属组合爆破片composite rupture disk of multiple metal foils 多层壳体layered shell
多层壳体段layered shell section
多层壳体段过渡段transitions of layered sections 多层球layered sphere
多级球形容器multi-spherical vessel 多层容器multi-layered vessel 多层试板layered test plate 多承包者multi-contractor
多承包者大型项目large multi-contractor project 多重multiple; multiplex
多重回归分析multiple regression analysis 多重试样multiple specimens 多处碰弧multiple arc strikes 多处引弧伤疤multiple arc strikes 多次multiple
多次曝光multiple exposures 多层反射multiple reflections
多次焊后热处理循环multiple post weld heat treatment cycles
多次热处理multiple heat treatment 多道multi-pass；multirun 多道焊multipass welding 多道焊焊缝multirun weld
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多道焊缝multi pass weld
多道手弧焊multirun manual metalarc welding 多个开孔multiple openings
多弓形折流板multi-segmental baffle 多股焊丝stranded electrode 多火管锅炉multitubular boiler 多角形polygon
多角形铁素体polygon-ferrite 多晶体polycrystal
多晶体金属polycrystalline 多孔porous; perforated 多孔熔渣porous slag
多孔状沉积物porous deposit 多块层板multiple layers
多炉浇注multipouring of several heats 多螺栓型盖multibolted type closure 多室容器multichamber vessel
多通路纪录器multi-channel recorder 多位置multiple position
多向multidirection; polydirection
多向磁化multidirectional magnetization 多向应力状态multiaxial stress condition 多项资格评定multiple qualification 多线装置multiple installation
多用途multipurpose; many-purpose; versatile purpose; universal purpose
多用途焊缝尺寸规multi-purpose welding gauge
多余surplus; superfluous; unnecessary; redundancy; excess
多余管子长度excess tube
多余焊剂residual deposits of flux 多余厚度excess thickness 多余面积excess areas 多支座multiple support
多支座系统multiple support system
多种制造方法的组合combination of methods of fabrication
多式联运 multimodal transport
惰[duo]
惰性lag; inert; inertness; inheritance性气体inert gas 惰性气体保护底注工艺inert gas sealed bottom pouring practice
惰性气体金属极电弧焊inert gas metal arc welding 惰性元素inert element; lazy
额[e]
额定rated; specified
额定爆破压力rated bursting pressure
额定出力rated capability 额定开启高度rated lift 额定排量capacity rating
额定容量rated capacity; nominal capacity; capacity rating
额定水容量nominal water containing capacity 额定泄放量rated relieving capacity 额定泄放系数rated relief coefficient 额定泄放压力rated relieving pressure 额定蒸发量rated steaming capacity
额定值rating; rated value; nominal rating 额定总泄放量total rated relieving capacity 额外extra; additional
额外堆焊的焊缝金属additional weld metal build-up
恶[e]
恶化情况deterioration
鳄[e]
鳄鱼皮状裂纹图象alligator crack pattern
耳[er]
耳环lug ring
耳式支座lug support 耳轴trunnion
二[er]
二次除气工艺double degassing practice 二次锻造reforging
二次索氏休tempered sorbite 二次氧化reoxidation
二次硬化secondary hardening 二次应力secondary stress
二次正火加回火钢double normalised and tempered steel
二底图reproducible transparency 二个波压瘪two-lobe collapse 二级second level; two stage 二阶second order
二阶蠕变second stage of creep 二维two-dimensional
二维模型two-dimensional model
二维应力状态two-dimensional stress condition 二向two-directional; two-dimensional; bi-axial 二向等热应力场equal bi-axial thermal stress field Ⅱ型裂纹mode Ⅱ crack 二氧化碳激光器co2 laser
F 发[fa]
发布issue; release 发布日期date of issue
28
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