1.Steel bar diameter setting range: 6mm~ 50mm 2.Process: the first range 1mm~90mm, second range90mm~185mm 3.Diameter estimation scope: 6mm~ 32mm 4.The thickness of the protective layer of the maximum allowable error: + 1mm:1mm~80mm + 2mm:80mm~120mm + 4mm:120mm~185mm
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