2022年上半年江苏省电焊工初级机械焊接考试试卷.pdf

2016 年上半年江苏省电焊工初级机械焊接考试试卷一、单项选择题（共25 题，每题2 分，每题的备选项中，只有1 个事最符合题意）1、下列选项中，_不是焊条药皮的组成物。A脱氧剂B合金剂C脱磷剂D造渣剂2、铬和镍的元素符号是 _。AMo 和 Cr BCr 和 Si CCr 和 Ni DTi 和 Ni 3、奥氏体不锈钢焊接时，在保证焊缝金属抗裂性和抗腐蚀性能的前提下，应将铁素体相控制在 _范围内。A5%B10%C5%D10%4、由于纯铜导热率高，所以气焊时，火焰能率应_。A比低碳钢小 12 倍B比低碳钢大 12 倍C和低碳钢相同D比低碳钢大 34 倍5、_不适用于焊接淬硬性较高的材料。A自重法B反变形法C对称焊法D散热法6、1Cr18Ni9Ti 是_型不锈钢。A马氏体B铁素体C奥氏体D奥氏体+铁素体7、珠光体耐热钢的焊接，焊条的选择是根据_。A化学成分B力学性能C化学成分和力学性能D焊件的结构8、_不是主要的经常采用的焊前预热的加热方法。A火焰加热法B工频感应加热法C远红外线加热法D紫外线加热法9、选择坡口的原则，不应取决于_。A母材厚度B焊接方法C工艺要求D钢的强度10、低温回火得到的组织是 _。A回火马氏体B回火托氏体C回火索氏体D奥氏体11、凡承受流体介质压力的密封设备称为_。A反应塔B锅炉C高炉D压力容器12、下列选项中 _不是焊前预热的作用与目的。A降低焊后冷却速度，减小淬硬倾向B减小焊接应力C防止冷裂纹D防止气孔13、采用非铸铁型焊接材料焊补铸铁，不是为了_。A得到塑性好，强度高的焊缝B松弛焊接应力C得到颜色和母材相同的焊缝D避免裂纹14、钢与铜及铜合金焊接时，比较理想的过渡层材料是_。A不锈钢B奥氏体不锈钢C铜或铜合金D纯镍15、埋弧自动焊不可以利用 _向熔池过渡合金元素。A熔炼焊剂B合金焊丝C非熔炼焊剂D药芯焊丝16、焊前应将 _范围内的可燃易爆物品清理干净。A10m B12m C15m D20m 17、_必须采用短弧焊接，并选用较小直径的焊条和较小的焊接规范。文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3A平焊、立焊、仰焊B平焊、立焊、横焊、仰焊C立焊、横焊、仰焊D立焊、横焊18、点焊焊件之间接触电阻的大小与_无关。A电极压力B焊件材料性质C焊件的表面状况D焊件尺寸大小19、斜 Y 形坡口对接裂纹试件焊完后，应_开始进行裂纹的检测和解剖。A经 48 小时以后B立即C经外观检验以后D经 X 射线探伤以后20、CO2 焊用的 CO2 气体纯度，一般要求不低于_。A98%B98.5%C99%D99.5%21、在射线探伤胶片上呈宽而短的粗线条状，宽度不太一致的缺陷是_。A裂纹B气孔C未焊透D条状夹渣22、切割非金属材料用的等离子弧形式采用_。A非转移型弧B转移型弧C正接型弧D反接型弧23、当氧气与乙炔的混合比为1.11.2 时，这时的火焰是 _。A氧化焰B碳化焰C中性焰24、正弦波交流钨极氩弧焊的稳弧方法是采用_。A逆变高压稳弧B低频高压稳弧C高频高压稳弧D高压脉冲稳弧25、超高压容器的设计压力为_。Ap10MPa Bp100MPa Cp100MPa Dp1000MPa 二、多项选择题（共25 题，每题2 分，每题的备选项中，有2 个或 2 个以文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3上符合题意，至少有 1 个错项。错选，本题不得分；少选，所选的每个选项得0.5 分）1、9Ni 钢最低使用温度为 _。A-40 B-100 C-196 D-253 2、碳钢中除含有铁、碳元素以外，还有少量的硅、锰、_等杂质。A硫、氢B氧、氮C氮、磷D硫、磷3、在焊工职业活动、行为有关的制度和纪律中，_是不属于这个范畴的。A安全操作规程B履行岗位职责C交通法规D完成企业分派的任务4、_焊剂是国内生产中应用最多的一种焊剂。A黏结焊剂B烧结焊剂C熔炼焊剂5、为了抑制锌的蒸发，焊接黄铜时，可选用含硅量高的黄铜或_焊丝。A铝青铜B镍铝青铜C锡青铜D硅青铜6、熔渣中同时具有脱硫、脱磷效果的成分是_。AMnO BCaO CFeO DCaF2 7、_操作可以不切断焊接电源开关进行。A改变焊机接头B检修焊机故障C移动工作地点D更换焊条8、低合金高强度结构钢15MnVN 属于_。AQ345 BQ390 CQ420 DQ460 9、埋弧焊当其他条件不变时，增加坡口深度和间隙，会使_显著减小。A余高和焊缝熔合比B焊缝厚度和焊缝宽度文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3C焊缝厚度和熔合比D焊缝宽度和熔合比10、为了便于装配和 _，应在梁的横向肋板上切去一个角，角边高度为焊脚高度的 23 倍。A避免焊缝汇交于一点B提高梁的稳定性C提高梁的强度D避免焊接产生过热11、采用 _方法焊接直、长焊缝的焊接变形最小。A直通焊B从中段向两端焊C从中段向两端逐步退焊D从一端向另一端逐步退焊12、焊接过程中会产生污染环境的各种有害因素很多，下列不属于物理有害因素的是_。A放射线B焊接弧光C热辐射D有害气体13、磁阻与 _无关。A磁路长度B媒介质的磁导率 C环境的温度和湿度D截面积14、埋弧焊不适用于焊接 _。A低碳钢B低合金钢C镍合金D铝及铝合金15、金属材料在无数次重复交变载荷作用下，而不致破坏的最大应力称为_。A蠕变强度B抗拉强度C冲击韧性D疲劳强度16、预热温度为 400左右是铸铁补焊的 _。A加热减应区法B半热焊法C不预热焊法D热焊法17、_不属于闪光对焊的焊接参数。A闪光电流B闪光留量C顶锻压力D焊件厚度文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X318、细丝熔化极氩弧焊，应采用具有_特性的电源。A上升B缓降C平D陡降19、压力容器同一部位的返修次数不宜超过2 次，超过 2 次以上的返修，应经_批准。A监理单位总监B设计单位总工程师C使用单位主管D制造单位技术总负责人20、钢和铸铁都是铁碳合金，碳的质量分数_的铁碳合金称为铸铁。A等于 2.11%6.67%B小于 0.8%C小于 2.11%D大于 6.67%21、焊接接头冲击试样的数量，按缺口所在位置应_3个。A各自不少于B总共不少于C平均不大于D平均不少于22、斜 Y 形坡口对接裂纹试验规定：试件数量为_取 2 件。A每次试验B每种母材C每种焊条D每种焊接参数23、受力状态不好，一般很少应用的是_。A球形容器B锥形容器C圆筒形容器D椭圆形容器24、氧在钢焊缝金属中的存在形式主要是（）。 A溶解在焊缝金属中BSiO2 夹杂物CCr2O3夹杂物DFeO夹杂物25、氧在钢焊缝金属中的存在形式主要是_。A溶解在焊缝金属中BSiO2 夹杂物CCr2O3夹杂物DFeO夹杂物文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3文档编码:CU3Q6R10T9V6 HP3T9S1L7B5 ZT2I6I4K2X3