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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。
- Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube. 针对铝及铝合金管,特别是小口径薄壁管固定口仰焊部位易出现气孔、烧穿、塌陷及焊接热裂纹等问题,分析问题存在的原因,从焊接工艺方面入手,提出一套消除气孔及烧穿的操作手法。
- overhead weld(ing) [化] 仰焊
- Two hawks were hover ing overhead. 两只鹰在头顶盘旋。
- He was watch ing the crowd go by. 他注视着人群走过。
- 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;
- The overhead costs are ridiculously expensive. 日常开支太高了。
- Seagulls were circling overhead. 海鸥在头顶山盘旋。
- Her overhead smash went out of the court. 她的高手扣球打出了场外。
- A flock of wild geese flew overhead. 一群野鹅从头顶飞过。
- The airplane was immediately overhead. 飞机几乎就在正上方。
- Some metals weld better than others. 有些金属容易焊,有的不容易焊。
- I can hear a plane flying overhead. 我听到一架飞机正从上空飞过。
- The city has decided to do away with overhead wires. 那个城市决定取消架在空中的电线指将把电线埋入地下。
- flash butt weld ing line 闪光对焊流水作业线
- Reducing overhead take priority over increasing turnover. 与增加营业额相比,应优先考虑降低间接费用。
- 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%。
- Their office is in central Beijing, so their overhead is very high. 他们的办事处设在北京市中心,所以他们的日常开支很大。
- The trolley bus picks up current from an overhead wire. 无轨电车的电能是通过架空线供给的。
- 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。