请记住，我们的大口径钢管，重墙和X级的源。
Remember, we are THE source for Large Diameter Pipe, Heavy Walls and X-Grades.
介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法水下焊接修复技术。
The text introduces the welding leak phenomena of large caliber pipe across river, and wet or dry welding repair technology below water.
我们生产经营一系列广泛的钢管产品，包括空心型材，大口径管材，涂层管材，精密管材，运输管材和压力管材。
Our extensive range of welded tube products include structural hollow sections, large diameter pipe, coated, precision, conveyance and pressure tubes.
本文简述了长江口水域实施大口径玻璃钢管水下安装施工工艺。
This paper introduces the construction technology of underwater installation of large-caliber GRP pipe in the Yangtze Estuary Area.
介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法水下焊接修复技术。
Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe.
建议在未来大口径高压输气管线中优先选用X80级管线钢管。
First selection of grade X80 pipeline is suggested on large size high pressure gas transmission pipe in the future.
介绍了大口径直缝焊接钢管用钢板的生产工艺。
This paper describes the production process for plate used for large-calibred straight seam welded pipeline.
提出了2 1世纪中国建设大口径直缝埋弧焊钢管生产线及管线钢用宽厚板国产化的必要性。
It also raises the necessity that China shall build LSAW pipe production line and produce wide and thick plate for pipeline steel in 21 century.
我公司专业生产大口径直缝埋弧焊钢管，欢迎来电咨询！
We are specialized in fabricating LSAW steel pipe, welcome to contact us any time!
我公司专业生产大口径直缝埋弧焊钢管，欢迎来电咨询！
We are specialized in fabricating LSAW steel pipe, welcome to contact us any time!
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