英语单词大全
英语单词大全

coal seam

中文翻译

煤层
[建] 煤层

常见例句

1

the part of a coal seam that is being cut

2

the surface soil that must be moved away to get at coal seams and mineral deposits v

3

n the surface soil that must be moved away to get at coal seams and mineral deposits n an excessive burden v burden with too much work or responsibility v load with excessive weight

今日更新

更新时间:2025-06-08 15:37:59