英语语法分析

Andalusite is a polymorph with two other minerals, Kyanite and Sillimanite.

红柱石属多晶型物，含蓝晶石和硅线石两种不同矿物。

When the adding amount of kyanite is 4-5%, the castable performance is better.

蓝晶石加入量为4 - 5%时浇注料的性能较好。

The influence of hydrochloric acid treatment on kyanite floatability is stud - ied.

研究了盐酸处理对蓝晶石可浮性的影响。