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- The welding quality is ensured by using backstep welding in longitudinal welds of the shell and by using submerged arc welding in the circumferential welds of the shell. 为保证焊接质量,在筒体纵缝焊接采用了分段退焊工艺及在筒体横缝焊接采用了埋弧自动焊工艺,并制定了合理的焊接、无损检测、热处理质量控制工艺。
- backstep weld 分段逆焊
- backstep welding 分段逆焊,反向焊,逆向焊,逐步退焊法,分段退焊
- Some metals weld better than others. 有些金属容易焊,有的不容易焊。
- backstep welding sequence 分段退焊次序
- On reaching welding heat, the metal surfaces are pressed together. 当金属表面达到焊接热度时就会压在一起。
- Some of the students are welding capacitor; the others resistor. 学生中的一些人在焊接电容,另一些人在焊接电阻。
- Some of the students are welding capacitors; the others resistors. 学生中的一些人在焊接电容,另一些人在焊接电阻。
- 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。
- 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。
- It takes speed to weld steel at this heat. 在这样的高温下熔接钢铁需要快速。
- They weld the pieces of a broken axle. 他们焊接断了的车轴。
- He is welding the pieces of a broken axle. 他正在焊接断了的车轴。
- His job is to weld parts together. 他的工作是焊接零件。
- The welding rod threw off a shower of sparks. 焊条火星四溅。
- Before applying heat for a weld, the plates should be clamped together. 在用热进行焊接之前,必须把金属板紧紧地夹在一起。
- Suitable for MMA, argon arc, arc gouging welding. 可用于手工电弧焊、氩弧焊、电弧气刨.
- Long-ball play isn't the backstep of football, lose-the-game play is. 玩高球不一定是足球的倒退,玩输球才是。
- Fair knowledge on welding and production drawing. 良好的焊接工艺与技术图纸知识。
- Hard Facing is weld deposited Cobalt base alloy. 硬面焊接钴基合金沉淀物。