“mine ventilator”的概念、定义、翻译、参考文献-科学参考

单词	mine ventilator
释义	mine ventilator Encyclopedia 工学矿井通风系统释 mine ventilator矿井通风机矿井通风用的机械。工学矿山机械释 mine ventilator矿用通风机向矿山井下压入新鲜空气或抽出井下被污染空气的机械设备。又称扇风机。
随便看	length of circumference length-of-day change of the earth length of delay length of exposure length of intervals length of iteration length of laminar jet flame length of lay length of life length of normal length of pendulum length of perpendiculars length of river length of sampling length of shot length of sleeper length of span length of stemming length of stroke length of tangent length of the chord length of the period length of the tropical year and length of the synodic month length of Weyl reflection length-preserving embedding

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