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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。
- It would be unwise to change tack now. 现在改变方针是不明智的。
- 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。
- Tack the folds down before you sew them firmly into place. 先用大针脚将褶子松松地缀住，然后再将其缝纫到位。
- It focus on practical application STT type welding for CO2 in all position welding in this paper. 着重阐述了STT型CO2焊的焊接特点以及在全位置焊中的应用。
- Some metals weld better than others. 有些金属容易焊，有的不容易焊。
- I hammered a tack into the wall and hung a small picture from it. 我在墙上钉了一个图钉，然后在上面挂了一张小图片。
- The speaker suddenly changed tack and left us all rather confused. 演讲人突然改变了论调，把我们都搞糊涂了。
- position weld(ing) 定位焊接
- She positioned herself near the warm fire. 她待在温暖的炉子的旁边。
- By tacking about, we were able to avoid the enemy guns. 我们摆动着船帆不停地调转船头，才得以躲过敌人的炮弹。
- She positioned the chairs round the dining table. 她在餐桌四周摆上椅子。
- flash butt weld ing line 闪光对焊流水作业线
- His brother is sharp as a tack; he got100 on every test. 他弟弟十分聪明伶俐，每次考试都得100分。
- She thinks I'm going out with Jeremy but she's completely on the wrong tack. 她认为我准备同杰里米外出，但是她的想法完全错了。
- 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％。
- Joe hammered a tack into the wall to hang a picture. 乔用锤子把一只大头钉敲进墙中用来挂一幅画。
- 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。
- She carefully positioned the cup on the edge of the shelf. 她把杯子小心地放在架子边。
