hard cokeの例文

例文

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1. Lake Vermont produces hard coking coal and low volatile PCI coal.
2. All these mines are in Queensland state, which produces most of the hard coking coal.
3. This will bring hard coking coal prices to about US $ 54 per metric ton.
4. There are many hard coke plants as well.
5. Both fields contain Bituminous Hard Coking Coal.