andalusite的例句（andalusite在句子中的用法）

• On the condition of thermal contact metamorphism, clay minerals in coal are changed into andalusite. 无烟煤中红柱石是煤中粘土质矿物经热接触变质作用形成的.
• There are abundant mineral resources, andalusite, marble, granite, gold and other mineral resources, greater reserves. 还有丰富的矿产资源, 红柱石 、 大理石 、 花岗岩 、 黄金等矿产资源储量较大.
• Study the floatability of andalusite and mechanism of which with alkyl sulphonate as collecter was accomplished. 研究了红柱石的可浮性及其与捕收剂烷基磺酸盐的作用机理.