Also, the application of the new machine in pipeline root welding is introduced.
同时也介绍了该设备在管道根焊和高效焊接方面的应用。
Be cooling after purification of gas pressure machine, through the use of gas pipeline.
被冷却净化后的煤气经加压机，通过煤气管道输送使用。
Be cooling after purification of gas pressure machine, through the use of gas pipeline.
被冷却净化后的煤气经加压机，通过煤气管道输送使用。
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