Through the analyse on the current situation separation process of coarse slime, a new floatation technology about coarse slime separation after rod milling was presented.
通过粗煤泥分选工艺的现状分析，提出对粗煤泥经棒磨后进行浮选的新工艺，并对某厂的粗煤泥进行了可行性试验。
The fracture rod has cracks in the microstructure of weld zone, intergranular cracks exists in the coarse grain zone of the weld heat affected zone.
进一步比较了断裂拉杆和已经产生裂纹的拉杆焊缝区的显微组织，发现在焊缝的热影响区粗晶区存在沿晶裂纹。
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