But the anthracite coal increased the deal not very, the cold state strength descented is not much.

但无烟煤添加量不大时，冷态强度下降不多。

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Studyes the influence of the strength of cold state and hot function on the anthracite coal increased the deal.

研究了无烟煤添加量对焦炭冷态强度和热性能的影响。

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Research the result discovers, the anthracite coal ACTS for the thin coal coke and would lower the cold the strength of state of the coke.

研究结果发现，无烟煤替代瘦煤炼焦会降低焦炭的冷态强度。

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Wayne Thomas said the rise in the price of coal and the quality of the anthracite in the local area had seen mining become more profitable in recent years and led to a "resurgence of interest".

BBC: Gleision Colliery near Cilybebyll: Brief history