Based on the ordinary high chromium cast iron foundation, designed one kind of high alloy abrasion-resisting cast iron material which is used to make the lining iron of the screw grader.

在普通高铬铸铁的基础上，研制了一种用于制造螺旋分级机小叶片的高合金耐磨铸铁材料。

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Based on the ordinary high chromium cast iron foundation, designed one kind of high alloy abrasion-resisting cast iron material which is used to make the lining iron of the screw grader.

在普通高铬铸铁的基础上，研制了一种用于制造螺旋分级机小叶片的高合金耐磨铸铁材料。

youdao