The advantage of the centrifugal spherical iron tube has been discussed in this paper as well as the manufacturing characteristic of the tube made from the blast furnace.

论述了离心球铁管的优点，用高炉铁水浇注离心球铁管的生产特点、工艺流程及主要设备。

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Measures should be taken to prevent the vertical snake tube from steam binding, iron oxide depositing, and austenite corrosion when superheater is cleaned.

过热器整体清洗时，应有防止垂直蛇形管产生汽塞、铁氧化物沉淀和奥氏体腐蚀的措施。

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The paper introduces CAD system of steel tube cold drawing process which is a software with optimum function developed by Iron & steel General Institute on basis of computer imitation technology.

介绍了北京钢铁研究总院采用计算机仿真技术与计算机辅助设计技术，开发出具有优化功能的钢管冷拔过程CAD系统通用软件。

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The illusion is only broken when you see behind the wood panelling the iron support structure, embossed with the initials of the London Passenger Transport Board, from whom parts of Tube tunnel were borrowed to build the complex.

ECONOMIST: Snooker, piranhas and a hotline to Moscow