Practical English-Chinese Dictionary of Chemistry and Chemical Engineering Concise English-Chinese dictionary of chemistry and chemical engineering 英汉化学化工词汇english-chinese dictionary of chemistry and chemical engineering 英汉化学化工词汇English-chinese dictionary of chemistry and chemical engineering 并列题名：Practical English-Chinese Dictionary of Chemistry and Chemical Engineering English-Chinese dictionary of chemistry and chemical engineering 统一题名：English-Chinese dictionary of chemistry and chemical engineering English-Chinese dictionary of chemistry and chemicalengineering 并列题名：English-Chinese dictionary of chemistry and chemicalengineering English-Chinese dictionary of chemistry and chemicalengineering.