downward ventilation的中文,翻译,解释,例句
downward ventilation
- downward ventilation的基本解释
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[医] 向下通风(出口低于进口)
- 更多网络例句与downward ventilation相关的网络例句 [注:此内容来源于网络,仅供参考]
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Research on application of downward ventilation to coal mining face in horizontal seam with coal outburst in potential
结果表明,在采用下行通风后,采空区绝对瓦斯涌出量为上行风时的80%,工作面φ(CH4)下降了75%,瓦斯不再超限。