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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。
youdao
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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。
youdao