炼焦煤是生产钢铁的重要原料之一。
Coking coal and steel production is one of the important raw materials.
对炼焦煤的煤质评定、配煤方法和质量控制进行了详细的论述。
The coal quality assessment, coal blend ways and quality control are discussed in detail.
对炼焦煤的煤质评定、配煤方法和质量控制进行了详细的论述。
The coal quality assessment, coal blend ways and quality control are discussed in detail.
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