The making of steel

Making round cuneiform steel ring on bit to fish out the smallest bottom ring which is shaking off as a result of welding defect et cetera, and according to practical experiences drafted structural schematic diagram of relevant tools.

在钻头处制作圆楔形钢圈打捞开焊震掉的最小底圈，等等，并根据实践经验，分别绘制了相应工具的结构示意图。

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The refinement of the Bessemer process for making steel ( lighter and stronger than iron) made extremely tall buildings possible.

后来柏塞麦炼钢法的改进使极高的高层建筑的建造成为可能。

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There is requirement to know the amounts of calcium in EAF steel-making process and fast analyzing trace calcium on time in front of furnace.

电炉炼钢工艺中对Ca的成分有一定的要求，特别是微量Ca元素的快速炉前分析。

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The practice shows the system after modification has meet the requirement of steel-making production.

生产实践表明,改造后的系统能够满足炼钢生产的需求.

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Using steel tube making by this process ensures the stability of the drill collar.

另外因采用该工艺生产的钢管用料,也保证了加工企业钻铤质量的稳定性.

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It will fast specialize the making of stainless steel wire rods. After 2002, stainless steel wire rods from Dalian and Taiyuan will meet the needs of domestic market.

从2002年起，以大钢和太钢为主的不锈钢线材产品将满足国内市场对高线生产的不锈钢线材的需求。

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According to the Chongqing Municipal Development Planning, the Coke Making Plant Of Chongqing Steel& Iron Group is shouldering a heavy environmental relocation of the mission.

根据重庆市的发展规划，重钢集团肩负着环保搬迁的使命。

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Some key problems in the making of print shift steel mould with photochemical etching method is particularly discussed in detail.

本文将着重对用光化学腐蚀法制作移印钢模工艺中几个关键问题进行较详细的阐述。

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