短語詞組短語Plateau Exhalation Valve 使用平臺呼氣閥exhalation valve stem 呼氣活門柱;呼氣閥門柱pressure compensated exhalation valve 壓力補償呼氣閥門combination inhalation -exhalation valve 呼吸氣復合活門 返回 exhalation valve