词语硬煤
解释hard coal
hard coal〔名词〕硬煤,无烟煤,烟煤和无烟煤详细»
hard coal〔名词〕硬煤详细»
hard coal〔名词〕硬煤,无烟煤详细»
hard coal硬煤详细»
hard coal〔名词〕硬煤,无烟煤,硬煤,无烟煤,烟煤和无烟煤详细»
hard coal〔名词〕无烟煤详细»
硬煤hard coal详细»
硬煤bastard coal hard coal solid coal详细»
硬煤coal stone;hard coal详细»
硬煤anthracite详细»