The status and the range of the cold formed steel's application in building, as well as some technique problems on the use of the cold formedsheet steel are expatiated.
阐述了压型钢板在建筑工程中的应用现状、应用范围及其在不同应用中需要注意的一些技术问题。
2
The paper introduces the design and application of a 3-dimensional notching die for formedsheet metal parts. The special design of components is also briefly introduced.
介绍了成形后板金件立体侧向切口模具的设计与应用，并对其零部件的特殊结构作了一些简单介绍。
3
Nanotechnologists could link DNA “tiles” into a sheet, or fold a long strand of DNA back on itself again and again until it formed a flat surface.