Coarsegrain 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。
2
The method of the invention belongs to the metallurgical technology for treating the alloy (coarsegrain alloy) material obtained by magnetic separation nickel-copper bessemer matte.
本发明的方法,为一种处理由磁选铜镍高 锍得到的合金(粗粒合金)物料的冶金技术。
3
The grain size of the loess is coarse with high contents of unstable minerals, indicating that the Xining loess material source approximate to the loess region.