你即將離開本站

並前往https://patents.google.com/patent/US4320756A/en

US4320756A - Fresh-air breathing device and method

The fresh-air breathing device comprises breathing means for being held in communication with a respiratory intake passage (mouth and/or nose) of the user and ...

確定！ 回上一頁

查詢 「Air-breathing」的人也找了：

  1. air breathing中文
    2.
  2. breathing意思
    3.
  3. breathed air中文
    4.
  4. exhaled air中文
    5.
  5. Breathing system
    6.
  6. Control of breathing
    7.
  7. Scramjet
    8.
  8. Respiratory system
    9.