中英▼

  • A new fashioned special seam welder for welding the stainless steel band on the rail surface was developed successfully.

    研制了一种新型的钢轨表面不锈钢带专用缝焊机。

    youdao

  • A new fashioned special seam welder for welding the stainless steel band on the rail surface was developed successfully.

    研制了一种新型的钢轨表面不锈钢带专用缝焊机。

    youdao

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