铸铁件 （Casting-iron） ） 1．灰铸铁（Gray casting-iron） ．灰铸铁（ ） 中国 GB/T9439 HT100 HT150 HT200 HT250 HT300 HT350 日本 JIS G5501 FC100 FC150 FC200 FC250 FC300 FC350 日本...
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Based on production practice, the continuous casting process of high phosphorus gray iron bar sections and their structures as well as properties was investigated.
通过生产实践，探索了高磷连铸灰铸铁型材生产工艺及组织性能特点。
When saying these words, Yihe was looking iron gray, eyes casting down.
说这些话时，一禾面色铁灰，眼帘低垂。
In the paper, based on the Propotional Solidification Theory and Large Orifice Discharge Theory, the foundry technology of gray iron casting shell was designed by the method of CAD.
论文根据均衡凝固及大孔出流理论，用计算机辅助设计的方法改进了壳体灰铸铁件的铸造工艺。
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