• Welding property is an important index to weigh the property of pipeline steel.

    焊接性能衡量管线性能一项重要指标

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  • A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.

    针对不同强度级别管线x 70和L245对接焊接工艺进行研究

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  • Also, the application of the new machine in pipeline root welding is introduced.

    同时也介绍了设备管道和高效焊接方面应用

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  • Also, the application of the new machine in pipeline root welding is introduced.

    同时也介绍了设备管道和高效焊接方面应用

    youdao

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