Figure 1. During a rolling cycle in a vertical, coil-fed system, the leading edge “curls” in front of the bending rolls.The freshly cut trailing edge is then pushed to the leading edge, nailed and welded to form the rolled shell .គ្រប់គ្នាក្នុងវិស័យផលិតដែកប្រហែលជា…
អានបន្ថែម