释义 |
coal waste residue 基本例句 煤矸石 Supply wide range of high quality anthracite, the quality anthracite, coal gangue.供应各种优质无烟煤,次质无烟煤,煤矸石。 Using coal gangue as raw material, we made a kind of new type polymer reinforcing filler for rubber by ultr.本论文用煤矸石作原料,通过超细粉碎,表面改性制成了一种高分子聚合物的补强填充剂。 |