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- This paper analyses the cause of uncleanness of air pipe line on locomotive,and puts forward taking TIG weld ing tech nology in order to ensure that the quality of pipe line on lo como tive achieves design standard. 针对目前机车空气管道内清洁度差的问题,分析其原因,提出采用TIG焊接工艺,以保证机车管道质量达到设计要求。
- heat- source model multilayer welding 温度场
- Keywords nitrogen protecting TIG weld ing;weld ing arc;magnetic fluid dynam ics;numerical analysis; 钨极氮弧焊;焊接电弧;磁流体动力学;数值分析;
- He was watch ing the crowd go by. 他注视着人群走过。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- multilayer weld 多层焊缝
- flash butt weld ing line 闪光对焊流水作业线
- Consumer goods production was to go up by6.6percent ing that city. 在那个城市消费品生产将增长6．6％。
- It takes speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- He is ey(e)ing a run for the governor next year. 他在考虑明年要竞选州长。
- It take speed and skill to weld steel at this heat. 在这样的温度焊钢需要速度和技术。
- The act of ro ing someone at gu oint. 持枪相威胁，抢夺他人财物的行为。
- It takes speed to weld steel at this heat. 在这样的高温下熔接钢铁需要快速。
- In the sho ing mall, which is o osite the hotel. 在旅馆对面的购物中心里。
- Ing importance to finish the project this week. 最重要的是本星期要完成这一项目。
- They weld the pieces of a broken axle. 他们焊接断了的车轴。
- The rain was lash ing hard against the door. 雨猛烈地打着门。
- His job is to weld parts together. 他的工作是焊接零件。
- Fluting andsing ing are heard all night. 笙歌不夜。
- I'd vacuum before I left in the morn ing. 在上午离家前反正我要用吸尘器吸一遍地。
