铁矿石的用法和样例：
例句
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石灰石吸咐了铁矿石中的杂质，形成浮在较重的铁水表面上的流动渣。
The limestone absorb impurity from the ore and form a fluid slag which floats on the surface of the heavier molten iron. -
不，他们不能，因为他们还没有学会如何把铁矿石加热到足以使它熔化。
No, they can not, because they have not learnt how to heat the iron is enough to melt it. -
先把铁矿石和焦碳、石灰石混合在一起。
First, ore is mixed with coke and limestone.
