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| autogenous welded steel pipe | |||
| sheet iron tube | |||
| welded steel pipe (【技】以带钢为原料焊接而成的，表面有接缝的钢管。按焊接方法不同，焊接钢管分为电弧焊管、高频或低频电阻焊管、气焊管、炉焊管等。按焊缝分，有直缝焊管和螺旋缝焊管。) | |||
| autogeneous welded steel pipe; welded steel tube; welding steel tube | |||
| 焊接 钢 管: 37 phrases in 8 subjects |
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