rewinding coil 中文意思是什麼
rewinding coil
解釋
重繞線圈-
Block marks ( friction scratches ) ? short longitudinal scratches introduced duringcoiling or rewinding, resulting from relative movement between adjacent wraps of coil
磨擦劃傷?短的、縱向擦傷。主要由收卷時和開卷時由於鋼卷中相鄰帶鋼的帶相向運動引起的。
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