spontaneous ventilation
spontaneous ventilation
[妇产科学英汉词典]
spontaneous ventilation自发通气
是什么意思，spontaneous ventilation的解释，spontaneous ventilation的翻译
spontaneous ventilation
[妇产科学英汉词典]
spontaneous ventilation是什么意思，spontaneous ventilation的解释，spontaneous ventilation的翻译