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The recycle and complex utilization of flu gas were signed to CDM project.
密闭电石炉炉气的回收和综合利用,已签约CDM项目.
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英汉双解词典包含4367426条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。