且吃且增重
TIG（钨惰性气体）焊接是一种低熔化率的高质量焊接技术。电弧在钨电极和工件之间燃烧； 电极并不熔化，它只作为电流导体和电弧载体。 MIG焊（惰性气体保护金属极电弧焊） MIG焊接除用金属丝代替焊炬内的钨电极外。其它和TIG焊一样。因此，焊丝由电弧熔化，送入焊接区。电力驱动辊按照焊接所需从线轴把焊丝送入焊炬。 热源也是直流电弧，但极性和TIG焊接时所用的正好相反。所用保护气体也不同，要在氩气内加入l％氧气，来改善电弧的稳定性。
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1 2 3 4 mill 二十辊轧机1 2 3 mill 十二辊轧机1 2 mill 六辊式轧机abichite 砷铜矿abnormal steel 反常钢abnormal structure 反常结构abnormality of steel 钢的反常性abradability 磨损性abradant 研磨剂abrading 研磨修整abraser 研磨剂abrasion 磨耗abrasion marks 研磨斑痕abrasion test 磨耗试验abrasion tester 磨耗试验机abrasion testing machine 磨耗试验机abrasive 研磨剂abrasive belt 磨光砂带abrasive cloth 砂布abrasive cutting off machine 砂轮切断机abrasive dust 磨屑abrasive grain 磨粒abrasive hardness 耐磨硬度abrasive paste 研磨膏abrasive powder 研磨粉abrasive wear 磨蚀abscess 气孔absolute error 绝对误差absolute humidity 绝对湿度absolute pressure 绝对压力absolute temperature 绝对温度absolute zero 绝对零度absorbability 吸收性absorbed energy 吸收能量absorbent 吸收剂absorber 吸收体absorbing column 吸收塔absorbing medium 吸收介质absorbite 活性碳absorption 吸收absorption capacity 吸收能力absorption chromatography 吸收色谱法absorption edge 吸收端absorption extraction 吸收萃取absorption limit 吸收端absorption spectrum 吸收光谱absorption tower 吸收塔absorptive power 吸收能力absorptivity 吸收性ac arc welder 交羚弧焊机ac arc welding 交羚弧焊ac electrode 交粮条acanthite 硫银矿accelerated cooling 加速冷却accelerated creep 加速蠕变accelerated diffusion 加速扩散accelerated leaching 加速浸出accelerated rolling 加速轧制acceptance inspection 接收检查acceptance test 验收试验accidental error 偶然误差accompanying element 伴生元素accretion 炉结accumulator 蓄电池;贮料塔accumulator metal 极板用合金accuracy 准确度accuracy of reproduction 再现精度acetate 醋酸盐acetic acid 醋酸acetylene 乙炔acetylene burner 乙炔燃烧器acetylene cutting 氧乙炔焰切割acetylene cutting torch 乙炔截割吹管acetylene cylinder 乙炔瓶acetylene generator 乙炔发生器acetylene welding 氧乙炔焊acheson furnace 艾奇逊电炉acicular cast iron 针状结构铸铁acicular crystal 针状结晶acicular ferrite 针状铁素体acicular iron ore 针铁矿acicular martensite 针状马氏体acicular powder 针状粉末acicular structure 针状结构acid 酸acid bath 酸浴acid bessemer converter 酸性转炉acid bessemer process 酸性转炉炼钢法acid bessemer steel 酸性转炉钢acid bottom 酸性炉底acid brick 酸性砖acid brittleness 酸洗脆性acid bronze 耐酸青铜acid corrosion 酸腐蚀acid electric furnace 酸性电炉acid electrolyte 酸性电解液acid embrittlement 酸洗脆性acid extraction 酸性萃取acid furnace 酸性炉acid hearth 酸性炉底acid leaching 酸性浸出acid lined furnace 酸性炉acid lining 酸性内衬acid medium 酸性介质acid open hearth furnace 酸性平炉acid open hearth process 酸性平炉法acid open hearth steel 酸性平炉钢acid oxide 酸性氧化物acid process 酸性法acid pump 酸泵acid refractory 酸性耐火材料acid resistance 耐酸性acid resistant steel 耐酸钢acid resisting cast iron 耐酸铸铁acid resisting casting 耐酸铸件acid resisting steel 耐酸钢acid slag 酸性渣acid solution 酸性溶液acid steel 酸性钢acid tank 酸性槽acidity 酸度acidproof alloy 耐酸合金acidproof brick 耐酸砖acidproof cast iron 耐酸铸铁acidproof casting 耐酸铸件acidulated bath 酸性化槽acierage 表面钢化acoustic absorbing material 吸音材料acoustic diagnosis 音响诊断acoustic emission 声发射acoustic fatigue 声波振动疲劳acoustic inspection 音响检查actinium 锕actinouranium 锕铀activated alumina 活性氧化铝activated carbon 活性碳activated chlorine 活性氯activated sintering 活化烧结activation 活化activation analysis 活化分析activation energy 活化能activation volume 活化容积activator 活化剂active material 放射性物质active mixer 预炼混铁炉active power 有效功率active solvent 活性溶剂active surface 活性表面activity 活度activity coefficient 活度系数activity factor 活度系数activity probe 活度探示器actual load 有效负载actual solution 实际溶液actual stress 实际应力actual throat 实际角焊缝厚度adamite 水砷锌矿adamite roll 阿达迈特高碳铬镍耐磨铸铁轧辊adaptive mill control 轧机自适应控制addition 添加addition agent 添加剂addition compound 加成化合物addition element 加合金元素addition reaction 加成反应additive 添加剂additive deformation 附加变形additive efficient deformation rate 有效附加变形率additive property 加和性additivity rule 加成定则adherence 附着adherent slag 附着渣adhesion 附着adhesion force 附着力adhesion heat 粘附热adhesion test 附着力试验adhesive capacity 粘着能力adhesive force 附着力adiabatic calorimeter 绝热量热器adiabatic compression 绝热压缩adiabatic demagnetization 断热去磁adiabatic equilibrium 绝热平衡adiabatic exponent 绝热指数
