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coalfield [英] [ˈkəʊlfi:ld] [美] [ˈkolfild] [名] 煤田 词频排名 47275/55435 学习人数 18 难度等级 1/10 认知比例 71.43% 例句 Coalfield fires resulted from coal spontaneous combustion has already become one of the major casualties of coal production. 煤层自燃形成的煤田火区是煤矿区重要灾害之一。 The park lies on top of a coalfield. 这个公园位在一个煤田上。 Coalfield geophysical well logging is very important exploration means in coalfield geology exploration. 煤田地球物理测井是煤田地质勘探中不可或缺的重要勘探手段。 助记 合成 coal 煤 field 田
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