A solid fuel, hard, porous, high calorific value. Made of high temperature carbonization of coal. More for the blast.
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jiāo tàn
Bituminous coal in the closed condition, the temperature of a blast of fuel
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No. 3
A kind of hard, porous, high calorific solid fuel. Is bituminous coal in confined conditions and high temperatures, after excluding the volatile components made of multi-use iron.
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English Expression
n.: coke, black substance remaining after coal gas and coal tar have been removed from coal, used as a fuel