The practice shows that smelting high grade ferrotitanium with rutile by thermite method is feasible.

实践证明，采用金红石法钛铁在技术是完全可行。

Thermite is aluminum powder and a metal oxide which produces an aluminothermic reaction known as a thermite reaction.

是粉，一种金属氧化剂，能我们所谓反应。