acicular spheroidal graphite cast iron
acicular spheroidal graphite cast iron
针状球墨铸铁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This paper introduced that horizontal centrifugal casting technology is used to develop the composite acicular spheroidal graphite cast iron collar for tension reducing mill of Baogang pipe mill.
介绍了采用卧式离心铸造技术，试制宝钢钢管轧机使用的复合针状球铁张减机辊环的过程。
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