“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	R meson R meter R Monocerotis rms value Rn RNA RNAV RN galaxy RO roach road roadbed road capacity road grade road map road net road octane number road oil roadstead road test roadway roaring forties roaring sand roast roaster

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