coarse grain structure的意思|示意

There is fissure among the crystalline grains of jade. And the microscopic fissure can be formed in jade when it is in the coarse grain and loose structure.

翡翠晶体颗粒间存在粒隙， 组成颗粒粗大和（或）结构疏松不紧密时会形成微细裂纹。

The tremolite grain in LuanChuan nephrite is bigger in size, and its structure is somewhat coarse.

该地产出软玉中透闪石颗粒较大，结构稍粗、欠细腻。

On the surface of some jade ornament or crystal with coarse grain structure, the microscopic fissure can be formed along the cleavage.

在有些结晶颗粒较粗的翡翠饰品表面，硬玉晶体上可见沿解理形成的微细裂纹。

Coarse grain and differ the stone material of a structure its exterior effect is poorer.

粗粒及不等粒结构的石材其外观效果较差。

Among aluminium alloy indirect extrusion producing period, various process condition influence different result to the coarse grain structure.

铝合金反向挤压过程中，不同的挤压工艺条件对粗晶组织将产生不同的影响。

The short cracks deflect more severe in coarse grain structure than in fine grain one, result in roughness induced crack closure effect, therefore exhibit slow crack growth rate.

粗晶组织比细晶组织的裂纹偏折更大，粗糙度诱发闭合效应更强，因而裂纹扩展较幔。