At present, in the division used more quality anthracite, but the price prep above of the anthracite coal prices, and gas calorific value of coal gas calorific value below.
目前，在优质无烟煤产区使用较多，但是无烟煤的价格高于烟煤价格，且煤气的热值低于烟煤煤气的热值。
At present, in the division used more quality anthracite, but the price prep above of the anthracite coal prices, and gas calorific value of coal gas calorific value below.
目前，在优质无烟煤产区使用较多，但是无烟煤的价格高于烟煤价格，且煤气的热值低于烟煤煤气的热值。
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