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coal forming period

美 [koʊl ˈfɔːrmɪŋ ˈpɪriəd]英 [kəʊl ˈfɔːmɪŋ ˈpɪəriəd]

网络成煤期;聚煤期

coal forming period

coal forming period

双语例句

1

Jurassic is the main coal forming period in Northwest China .

侏罗纪是中国西北地区最主要的聚煤期。
2

The geotectonic environment of Longtan coal - forming period in Hunan Province

湖南龙潭煤系形成时的大地构造环境

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