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河南安阳林县公路分段对铁铣(方铣)卷口问题进行了试验,办法是:铁铣头上加生铁。通过一年多的实践,证明这个办法切实可行。
Anyang County, Henan Province, the highway section of iron milling (square milling) roll mouth issue was tested, the method is: iron head milling plus pig iron. After more than a year of practice, this approach proved practical.