鐵礦石的用法和樣例：
例句
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石灰石吸咐了鐵礦石中的雜質，形成浮在較重的鐵水表面上的流動渣。
The limestone absorb impurity from the ore and form a fluid slag which floats on the surface of the heavier molten iron. -
不，他們不能，因為他們還沒有學會如何把鐵礦石加熱到足以使它熔化。
No, they can not, because they have not learnt how to heat the iron is enough to melt it. -
先把鐵礦石和焦碳、石灰石混合在一起。
First, ore is mixed with coke and limestone.
