... 煤中气体的积聚：accumulation of gases in coal 煤渣块：breeze block 煤油气：kerosene oil-gas ...
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所以它可用以真空镀膜、煤油气相干燥真空浸渍、真空干燥以及脱水、真空冶金等。
It is adaptable to vacuum plating. Gaseous drying of kerosene vacuum impregnation, vacuum drying. Dehydration, vacuum metallurgy and so on.
介绍了无味煤油精制的新技术、新方法，分析了煤油型无味溶剂油气味的产生因素。
The new refining technologies and methods for production of odorless kerosene are reviewed and the factors influencing the quality of odorless kerosene are analyzed.
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