专业的加工使产品表面光洁度可达到1.6以上，尺寸精度可保证在0.02mm以内，同心度0.005 mm。
Professional processing make the surface finish of the product to above 1.6, the tolerance is within 0.02mm, concentricity is 0.005mm.
专业的加工使产品表面光洁度可达到1.6以上，尺寸精度可保证在0.02mm以内，同心度0.005 mm。
Professional processing make the surface finish of the product to above 1.6, the tolerance is within 0.02mm, concentricity is 0.005mm.
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