英语语法分析

There is a small amount of gibbsite in the dark-yellow-brown soil.

暗黄棕壤中含有少量三水铝石。

Boric acid is an excellent floater while gibbsite has no native floatability at all.

硼酸是一种极好的漂浮物，而水铝氧却毫无浮动性。

The gibbsite is characterized with high digesting rate and low smelting cost and high economic value.

该三水铝石矿具有溶出性能好、冶炼成本低，经济价值高等优点。