... Conventional chemical compositions 常规化学成分 Design The Chemical Compositions 设定化学成分 Chemical compositions and forms 化学成分和供货形式 ; 化学成分和形式 ...
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The cold heading property of cold heading steel rod bundle is improved by the optimum design and control of chemical compositions of low carbon low silicon high aluminium cold heading steel.
通过对低碳低硅高铝冷镦钢成分的优化设计和控制，大大提高了冷镦钢盘条的冷镦性能。
The paper stated the design ideas of the chemical compositions, micro material structure and the production technique route.
阐述了该钢种化学成分、微观物质结构、生产工艺路线设计思路；
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