“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	random variable random vector random vibration random walk random winding Raney nickel rang range range adjustment range-amplitude display range angle range arithmetic range attenuation range-bearing display range calibration range calibrator range check range coding range comprehension range control range control chart range correction range correction board range corrector setting range delay

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