“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	concentric lens concentric line concentric locating concentric orifice plate concentric reducer concentric resonator concentric ring structures concentric slip ring concentric transmission line concentric tube column concentric weathering concentric windings conceptacle concept coordination conception conceptual modeling conceptual schema conceptus concerted evolution concerted reaction concertina wire concession lease conch conchiolin conchoid

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