Underground ventilation的用法和樣例：
例句
- It is suggested that the plenum ventilation should be first adopted in principle in the ventilation planning of uranium mines.
建議鈾礦井通風(fēng)工程設計中應優(yōu)先采用壓入式通風(fēng)方式。 - The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data.
標準風(fēng)阻值和標準摩擦阻力系數值作為礦井通風(fēng)技術(shù)管理的基本資料對礦井通風(fēng)管理具有重要意義。
