单词 |
mine ventilation system |
释义 |
mine ventilation system mine ventilation system[′mīn ‚vent·əl′ā·shən ‚sis·təm] (mining engineering) A combination of connecting airways with air pressure sources and governing devices that are instrumental in making and controlling airflow. |
随便看 |
- frey
- freya
- freyav
- freycinet, charles de
- freycinet, charles louis de saulces de
- freycinet, louis claude desaulses de
- freyer drain
- freyer operation
- freyer, sir peter j
- freyer, sir peter j.
- freyer suprapubic drain
- frey hairs
- freyia
- freyja
- frey, john
- frey, lucie
- frey, max von
- freyming-merlebach athletic club
- freyr
- freyre, gilberto
- frey's h
- frey's irritation hairs
- freyssinet
- freyssinet, eugene
- freyssinet, eugène
|