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电子束及激光焊接工艺评定试验方法
Electron and laser beam welding procedure test method
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型钢自动化焊接装备
Automatic welding equipment for profile steel
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铝及铝合金的焊接工艺评定试验
Welding procedure qualification test for aluminum and its alloys
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燃气机熔化焊技术规范
Fusion welding specifications for combustion engine
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电阻焊焊接工艺规程
Welding procedure specification for resistance welding
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激光焊接工艺规程
Welding procedure specification for laser beam welding
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电子束焊接工艺规程
Welding procedure specification for electron beam welding
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气焊焊接工艺规程
Welding procedure specification for gas welding
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焊接操作工技能评定
Qualification test of welding operators
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焊接结构的一般尺寸公差和形位公差
Welding.General tolerances for welded constructions.Dimensions for lengths and angles.Shape and position
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