fine coal短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 细煤,粉煤,细粉煤 The paper introduces the application and effect of new technology on dewatering to jig fine coal that the electromagnetic vibrating vortex sieve replaces dragging sump in Qi-taihe coal-cleaning plant. 介绍了电磁振动旋流筛代替斗子捞坑进行跳汰精煤脱水新工艺在七台河矿务局选煤厂的应用及其效果。 cnki