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Question:

I would like to ask what is the pit coal?

I would like to ask what is the pit coal?

Answer:

Direct delivery of coal from coal mine pit. That is to say, there is no need to transport the coal.
It is probably through the shaft or inclined shaft mining coal,
Direct delivery of coal from coal mine pit. That is to say, we do not have to go through the delivery of coal that is rightIt is generally said that the fresh directly out of the mouth

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