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来源:雅诚德英语网
Coal geological exploration in Jiangxi is being faced with a grim situation: coal reserves are seriously insufficient.
江西煤田地质勘探的形势是严峻的,后备煤炭资源严重不足。
Coal geological exploration in Jiangxi is being faced with a grim situation: coal reserves are seriously insufficient.
江西煤田地质勘探的形势是严峻的,后备煤炭资源严重不足。