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1·The cast iron pipe is used for water supply, drainage and gas transmission pipeline.

铸铁管用于给水、排水和煤气输送管线，它包括铸铁直管和管件。

2·Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.

铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。

3·A. N. S. I. Standard b16.1-covers cast iron pipe flanges and flanged fittings (Class 125 and 250).

标准B16.1 -包括铸铁管道法兰和法兰连接件(125磅级和250磅级)。

4·The annealing process of centrifugal ductile cast iron pipe by the heated mould method is studied.

研究了热模法离心铸造球铁管的退火工艺。

5·The connection method between the simple flange connection method and cast iron pipe and steel pipe.

平焊法兰连接法也是与铸铁管及钢管之间简单的连接方法。

6·Graphite cast iron pipes and steel pipes are used for the water supply and distribution pipe network.

输配水管网采用了球墨铸铁管和钢管。

7·Using the method of isothermal forging spheroidal graphite cast iron pipe of good quality can be produced.

利用等温锻造方法可生产优质的球墨铸铁管。

8·This paper describes the character of vermicular cast iron pipe and the use of it in the sub-high pressure town gas pipeline.

本文重点阐述蠕墨铸铁管的性能和用于城市次高压煤气管网的可行性。

9·The paper reported the development and fine property of the nodular cast iron pipe used in gas pipeline, as well forecasted its market prospect.

为了提高水冷型离心机球墨铸铁管的成形率，降低废品率，对球墨铸铁管气孔、针孔产生的原因进行了分析，并提出了一些预防措施。

10·The paper introduces design principle of pipe well using socket and spigot connected cast iron pipes as pipe material. The results are effective.

论述了承插式铸铁管作井管的优点和设计原理，实践证明效果良好，值得推广。