underground working的意思|示意
地下作业
井下工作
underground working相关短语
1、 Underground working site 井下作业场所
2、 Earth and underground working timber 土木用材
3、 underground working staff 井下作业人员
4、 Mobile machines working underground 移动式机械地下作业
5、 working device of underground scraper 铲运机工作装置
underground working相关例句
However, exhaustions from the engine contain many harmful components which will harm the health of underground working staff.
但其发动机所排出的废气含有多种有害成分，会影响井下工人的健康。
The results have offered security guarantee condition when opencast working switches to underground working in the mine.
探测结果，为该矿由露天开采转入地下生产，提供了安全保障条件。
The temperature at underground working face is one of important factors that affect the selection of a mine ventilation design.
矿井井下气温高低是影响矿井通风方案选择的重要因素之一。