It is necessary coal dust to inspect and evaluate comprehensively all physical-chemical properties of the coal dust, as well as to determine its anti-metal penetration ability by pouring a test specimen.
It is necessary coal dust to inspect and evaluate comprehensively all physical-chemical properties of the coal dust, as well as to determine its anti-metal penetration ability by pouring a test specimen.
选择煤粉应通过全面的检测和评价各项理化指标，并通过试块浇注试验以确定其防粘砂能力。