welding steel

  • un.焊接钢;捍接钢
  • 网络焊钢

welding steelwelding steel

welding steel

焊接钢

金属工艺学英语单词 - 豆丁网 ... 焊接性 weldability 焊接钢 welding steel 焊条芯 core wire ...

焊钢

钒矿选矿设备,英语冶金专业词汇 - 豆丁网 ... welding speed 焊接速度 welding steel 焊钢 welding stress 焊接应力 ...

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High-Frequency Longitudindal-seam Longitudinal-seam Electric Welding Steel Pipes

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