ai-guo chen 中文意思是什麼
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Author introduction : chen ai - guo ( 1961 - ), male, senior engineer, majored in the research of coal petorgraphy and the research and development of activated carbon
作者簡介:陳愛國( 1961 - ) ,男,江蘇淮陰人,高級工程師,主要從事煤巖學研究及活性炭研究和開發。
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