Roller protective shell of 560 model equipment, 20CrMnTi material wear-resistant to protect internal structure of the roller(560型号设备辊子防护壳,20CrMnTi材质耐磨,保护辊子内部结构)
辊壳(齿头型)40Cr
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辊壳(齿头型)40Cr
详细信息 Roller protective shell of 560 model equipment, 20CrMnTi material wear-resistant to protect internal structure of the roller(560型号设备辊子防护壳,20CrMnTi材质耐磨,保护辊子内部结构)
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