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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句