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对风镐镐筒淬火质量差、容易变形等问题进行了研究,提出了解决办法,提高了镐筒淬火质量,取得了良好经济效益。
The quality of pickaxe cylinder quenching poor quality, easy deformation and other issues were studied, and put forward solutions to improve the quality of pickaxe quenching and achieved good economic benefits.