HardgroveˈhɑːrdˌɡrovCOCA²⁸⁰¹³⁶⁺⁵ 基本例句 n.哈德格罗夫 The grindability of coal is an important parameter in pulverized coal utilization, and the HGI Hardgrove Grindability Index is relevant to the coal pulverization and the particle size distribution. 可磨性是煤加工利用过程中的一个重要指标,可磨性指数与煤的破碎机理、煤粒破碎后的粒度分布均有关系。 cnki