以下为句子列表：
英文: A comparison is made of several gasification processes for the production of methanol feed gas from coal, and emphasis is placed on the process flow, main consumption figures, and process equipment of the production of methanol from coal.
中文: 摘要对以煤为原料生产甲醇原料气的几种气化工艺进行了比较，重点介绍了以煤为原料生产甲醉的工艺流程、主要消耗、工艺设备。
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英文: Abstract: A new process of drop-feed gas carburizing with enhanced pressure and mass flow has been described.
中文: 文摘:用高炉压、大剂量煤油滴注进行气体渗碳，所形成的渗碳气氛碳势可达2.0%～2.6%，工件表面无碳黑沉积。
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