“mine ventilation system”的概念、定义、翻译、参考文献-科学参考

单词	mine ventilation system
释义	mine ventilation system [`mīn ´vent·ǝl`ā·shǝn ´sis·tǝm] ^{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	early-warning radar early-warning station earlywood earned value Earnshaw's theorem EAROM earphone earplug ear protector ear rot ear shell earth earth connection earth core earth crust earth current earth-current storm earth dam earth detector earthed system earth electrode earthenware earth figure earthflow earth hummock

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