“pressure fan”的概念、定义、翻译、参考文献-科学参考

单词	pressure fan
释义	pressure fan [`presh·ǝr ´fan] ^{MINING ENGINEERING} A fan that forces fresh air into a mine as distinguished from one that exhausts air from the mine.
随便看	belting leather belt of cementation belt of soil moisture belt of soil water belt printer belt sander belt shifter belt slip belt tightener beltway bemegride bempa Bence-Jones protein Bence-Jones proteinuria bench bench assembly bench blasting bench check bench dog bench gravel bench height bench hook benching bench lathe bench lava

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