求翻译：金属学与热处理、焊接工程技术、焊接冶金学、熔焊方法及设备、工程力学、机械制图、机械设计基础、电工技术、弧焊电源、弧焊方法及设备、焊接结构学、压焊方法及设备、材料力学性能、无损检测、焊接缺陷失效分析等。使我深刻的掌握了各种焊接方法，焊接缺陷，焊缝力学性能，焊缝强度检测等知识。是什么意思？

Metal science and heat treatment, welding engineering, welding metallurgy, welding methods and equipment, engineering mechanics, mechanical drawing, mechanical design, electrical technology, welding power, welding methods and equipment, welding structural, bonding methods and equipment, materials, m

Metal and heat treating, welding engineering technology, welding metallurgy, fusion welding methods and equipment, engineering mechanics, mechanical drawing, machine design, electrotechnical, welding power supplies, welding methods and equipment, welding structural sciences, pressure welding methods

The metallography and the heat treatment, the welding project technology, the welding metallurgy, the melt weld the method and the equipment, engineering mechanics, the mechanical drawing, the machine design foundation, the electrician technology, the arc welding power source, the arc welding method

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Metal science and heat treatment, welding engineering, welding metallurgy, welding methods and equipment, engineering mechanics, mechanical drawing, mechanical design, electrical technology, welding power, welding methods and equipment, welding structural, bonding methods and equipment, materials, m