ductibility

1.Refer to the ductibility and light-weight which improved the construction more safe reliability.

钢结构延好，自重轻、大大提高了住宅可靠。

2.But geosytheic of ductibility is large, the rough edge effect to a non-cutting and drilling operations.

但解质料延展较大，感化到毛边裁切和打孔操纵。