煤炭产品主要是无烟煤与有烟煤等。
The major products is anthracite coal and bituminous coal, and so there.
根据煤炭产品交易特性，设计了竞标机制模型和双边交易机制。
Based on deal characteristics, competitive bidding model and bilateral transaction mechanism are designed.
煤质管理体系的构建与运行，可提升该矿的煤质管理水平，并可提高煤炭产品的质量。
Based on the construction and operation of coal quality management system, the coal quality management level was promoted, and the quality of coal product was improved.
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