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1·OCTG, which including tubing, casing, line pipe, etc.

石油专用管，包括油管、套管、管线管等。

2·To install static electricity arresters on the line pipe;

在管路上安装静电消除器；

3·The results are significant to safety design for X70 line pipe.

研究结果对X70管线钢的安全设计具有重要意义。

4·This final operation is thepullbackand installs the line pipe under the river.

这最后的操作叫“拖管”，它使管道就位于河床下面。

5·It introduces characteristic and kinds of line pipe for petroleum and natural gas transmission.

简要介绍了石油天然气输送用管线钢管的种类及其特点。

6·How to accurately determine the line pipe anti-crack toughness value is the key of this problem.

如何正确合理地确定管材止裂韧性数值是这一问题的关键。

7·Line pipe and line pipe steel plays the important role in safe and economy oil and gas transmitting.

为了实现安全、经济的输送，管线钢钢管起到重要的作用。

8·Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.

大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。

9·This laser welded pipe realizes thinner alloy line pipe which is commonly designed in flow line usage.

这种激光焊管实现了薄壁合金管在流体输送管道上的应用。

10·The company mainly produces products for the environmentally-friendly PVC trunking, line pipe, all kinds of curtain films.

公司主要生产的产品为PVC环保型线槽， 线管，各种窗帘片。