柱状晶粒
The surface of the sag has columnar grain and there is no chilled layer.───某低碳非调质钢的连铸方坯表面纵裂伴有凹陷,凹陷表面是柱状晶,未发现激冷层.
Analysis shows that the solidification cracking was always formed and developed along film-like sulphides at columnar grain boundaries.───分析认为，凝固裂纹是沿偏聚在柱状晶晶界的低熔点膜状硫化物形成并扩展的。
By use of this model, the effects of process parameters on the width of columnar grain zone were studied.───应用建立的微观组织模型，研究了三种工艺参数对柱状晶区宽度的影响。
But in the backing welding, columnar grain-growth will be appeared in the direction of crystal direction, it effects the welding quality seriously.───但是单面焊打底层焊缝中出现的沿焊缝柱状晶结晶方向的柱状气孔，严重地影响着船舶焊接质量。
columnar jointing───[地质]柱状节理
pollen grain───[植]花粉粒
Pullman train───普尔曼列车
cold rain───冷雨
columbaria───n.骨灰安置所；放骨灰瓮的壁龛(columbarium的变形)
column krater───柱状火山口
columnar───adj.柱状的；圆柱的；分纵栏印刷或书写的
columnarities───柱
columnarity───柱状