2) closed-pitched banks of tubes
密排的管排
3) cubic close packed
立方密排
4) Closed Drain
密闭排放
5) close multihode
密排多孔
1.
The design of a continuous transferable lacunaris composite punchmould is introduced,and the technics,mould structure and the problems must noticed to punch close multihode on plate in multibreed middling or small batch manufacture are dissertated as emphases.
介绍了一种连续转位多孔复合冲裁模具的设计 ,重点阐述了多品种中小批量生产中在平板上冲制密排多孔的工艺方法、模具结构及应注意的问
6) close-packed technique
密排技术
补充资料：密排六方晶
密排六方晶
密排六方晶格（hcp）( close-packed hexagonal lattice ):常见的金属立方晶格.
晶格常数：底面边长 a 和高 c，
c/a=1.633
原子半径:r=1/2a
原子数:n=12×1/6+2×1/2+3 =6
致密度： k= nv原子／v晶体= 0.74
说明：补充资料仅用于学习参考，请勿用于其它任何用途。