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

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