煤层的英文

[地质学] coal rake; coal seam; coal bed 短语和例子
薄煤层 thin seam; 厚煤层 thick seam

• 薄煤层:    black ring; girdle ...
• 底煤层:    cellar coal
• 多煤层:    multiple seam

例句与用法

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1. Sub - level caving mining with seam of thickness dirt band
   含厚夹矸煤层的综放开采
2. Mining high gas coal seam with enclosed mining method
   封闭式采煤法开采高瓦斯煤层
3. Features of steep coal seam and its mining technology
   急倾斜煤层的特点及采煤工艺
4. Transfer rule of water - gas two phase flow in coal bed
   气两相流在煤层中运移规律
5. Way of exhausting gas from low permeability thin seam
   低透气性薄煤层瓦斯抽放方法