tunnel ventilation process 巷道通风过程
ventilation process in tunnel 巷道通风过程
plant and process ventilation 工厂工程换气
The experimental data show that the inner surface temperature distributions of the testing room are affected lightly by ventilation process.
实测结果表明，尽管冬季供暖通风带走大量热量，但对墙体壁面温度影响较小。
A mathematical analysis was conducted for the ventilation process in the space of mining area underground and the differential equations were derived.
对井下采场空间的通风过程进行了数学分析，导出了通风微分方程序。
Valve bodies are engines of ventilators, ventilation process: on time and turn off the control valve to ensure full combustion gas mixed with gas and emissions.
配气机构是发动机的换气机构，换气过程：控制气门按时关了，保证气配时充分燃烧混合气和排撂废气。
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