Coal
A natural fuel formed by partial decomposition of vegetable matter under certain environmental conditions.
推出的年份: 1968(1964)
树号: D20.345.108, N06.230.132.258.108
MeSH 单一 ID: D003031
进入的组:
- Coals
- Peat Coal
- Coal, Peat
- Coals, Peat
- Peat Coals
- Lignite
- Lignites
- Lignitious Coal
- Coal, Lignitious
- Coals, Lignitious
- Lignitious Coals
- Brown Coal
- Brown Coals
- Coal, Brown
- Coals, Brown
- Anthracite
- Anthracites
- Bituminous Coal
- Bituminous Coals
- Coal, Bituminous
- Coals, Bituminous
- Soft Coal
- Coal, Soft
- Coals, Soft
- Soft Coals
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