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高位泥炭沼泽形成的煤可选性好,而低位泥炭沼泽形成的煤可选性差。
The washability of coal deposited in high peat bogs is better than that deposited in low peat moors.
youdao
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高位泥炭沼泽形成的煤可选性好,而低位泥炭沼泽形成的煤可选性差。
The washability of coal deposited in high peat bogs is better than that deposited in low peat moors.
youdao