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When this kind of joint is welded to make a process, what should welder choose for the project with certificate
1
0
wangliang
2019-11-01
这种接头焊接做工艺的时候,焊工持证项目应该选什么呀?是按C类选还是D类呀?
Is the welder's stamp on the pressure vessel made by the inspector or by the welder himself?
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是董小姐呀
2019-07-19
Is the welder's stamp on the pressure vessel made by the inspector or by the welder himsel..
Excuse me, Q345R, what kind of welding wire is used for bottom welding of argon arc welding?
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光头强
2019-05-30
Excuse me, Q345R, what kind of welding wire is used for bottom welding of argon arc weldin..
What kind of weld does this belong to?
2
0
小鱼曾乖乖
2019-04-04
What kind of weld does this belong to?
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