The amount of coal to be developed includes the amount of coal to be prepared, but the amount of coal to be prepared includes the amount of coal to be extracted Fill in the calculation of the preparation of the amount of coal in the amount of coal? Please pointing.
The amount of coal reserves, which is the recoverable reserves which have been identified in the existing coal mining roadway and open cut.Quantity of exploitation
The amount of preparation, refers to the mining area up to the mountain and the preparation of the roadway, such as the delineation of the recoverable reserves.
The amount of exploitation is a part of the recoverable reserves that have not been collected by the tunnel in the mine field.
