通气

• Fluid power ; air breathers ; connecting dimensions
  流体动力.通气装置.第2部分:连接尺寸
• A brief developmental history of mechanical ventilation
  机械通气发展简史
• Vacvv - d distributor vacuum and vent control valve
  分电盘真空与通气控制阀
• The names ' discrimination of the respirator ' s ventilation modes
  呼吸机通气模式名称辨析
• Mechanical ventilation technique clinical application dialyze
  机械通气技术临床应用透析
• Vacvv - t thermactor vacuum and vent control valve
  热反应真空与通气控制阀
• Rafting , horse riding , snorkeling , swimming and diving
  划木筏,骑马,通气管潜水,游泳与潜水
• Transformers ; locking pieces for air vent and drain for oil
  变压器.通气孔和排油孔的锁紧件
• Standard specification for tank vent flame arresters
  防火用油罐通气孔
• Angie ready to test the snorkeling gear at magic island
  安吉尔准备在幻岛测试一下通气管。