boghead
英
美
n. 烟煤；深裼色烛煤
双语例句
- The hydrocarbon generating assemblage can be divided into two types of cannel boghead deep lake mudstone and humic coal cannel coal shallow lake mudstone in this basin.
生烃组合分为烛藻煤深湖相泥岩和腐殖煤烛煤浅湖相泥岩两种类型。 - Petrography of Early Paleozoic highly metamorphosed boghead coal and its geological significance
早古生代高变质藻煤的煤岩特征及其地质意义