Is the pipeline manufacture and the steel stove pressure vessel makes highly effective welding auxiliary engine.
是管道制造和钢炉压力容器制造高效焊接辅机。
Maintaining pipelines' safe run and preventing from pipeline leakage accidents have become one of the important tasks of pipeline industry manufacture and management departments.
维护管道的安全运行，防止管道生产事故的发生是管道工业生产和管理部门一项很重要的工作。
The concrete complex pipeline of the invention has the advantages of high erosion resistance, low flow resistance and low manufacture cost.
本发明使混凝土复合管道具有高抗腐蚀性、低流阻和低制造成本。
In order to improve the manufacture precision, on-line measurement and control system should be set up in the pipeline product line.
为了提高内镶式滴灌管加工和打孔精度，需要建立在线检测和控制系统。
The invention provides a pipeline and a method for manufacturing the same. The pipeline and the manufacture method cannot be mounted a reinforcing piece.
本发明提供一种管道及其制造方法，该管道及其制造方法可以不需要加强件的安装。
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
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