This coal has a high calorific value.
这种煤有很高的发热量。
Coke press low failure rate, high calorific value small, productivity, power saving and durable.
焦煤压块机故障率低，发热量小，生产率高，节电耐用。
Faults: use fuel prices high, gas calorific value is lower.
缺点：使用燃料价格高，煤气的热值较低。
Faults: use fuel prices high, gas calorific value is lower.
缺点：使用燃料价格高，煤气的热值较低。
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