有重叠区的多点分段成形可减缓强制变形区与过渡区交界处的曲率突变现象，但未完全消除剧烈的塑性变形。
The sectional forming method with overlapping area can restrict the variety of curvature, but the drastic distortion is not removed.
有重叠区的多点分段成形可减缓强制变形区与过渡区交界处的曲率突变现象，但未完全消除剧烈的塑性变形。
The sectional forming method with overlapping area can restrict the variety of curvature, but the drastic distortion is not removed.
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