Part of their coating forms an alloy-like diffusion layer (about 1 mm) in the bulk of the metallic material, which is a great feature of this treatment.

部分合金涂层形式一样扩散层(约1毫米)在大部分的金属材料，这是一个伟大的特点，这种待遇。

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This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.

本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。

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Process of biochemical wastewater treatment, general situation and operation after treatment of liquefied petroleum gas bulk plant are adumbrated.

文章简单介绍了液化石油气储灌场的废水生化处理的工艺流程、改造后的工程概况和操作运行。

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Smaller rivals claim that sheer bulk sits uneasily with the essence of private banking: attentive treatment based on close, long-term personal relationships.

ECONOMIST: Private banking