《英汉医学词典》continuous negative pressure (ventilation treatment) 持续负压(换气治疗) continuous negative pressure ventilation: 持续负压通气negative pressure ventilation: 负压通风; 负压通气positive negative pressure ventilation: 正负压通气continuous positive pressure ventilation: 持续正压通气continuous positive-pressure ventilation: 持续正压通气下载手机词典可随时随地查词查翻译