maximal voluntary ventilations 《英文msh詞典》Maximal Voluntary Ventilations ; [入口詞] Maximal Voluntary Ventilations ; [主題詞] Maximal Voluntary Ventilation ; [英文釋義] Measure of the maximum amount of air that can be breathed in and blown out over a sustained interval such as 15 or 20 seconds. Common abbreviations are MVV and MBC.