positive-negative pressure breathing的意思|示意
正负压呼吸
positive-negative pressure breathing的网络常见释义
正负压呼吸 ...oxygen-enriched aircrew breathing gas 释义：飞行人员富氧呼吸气 positive-negative pressure breathing 释义：正负压呼吸 tube for infant,corrugated breathing 释义：婴儿用橡皮螺纹呼吸管 ..
positive-negative pressure breathing相关短语
1、 intermittent positive negative pressure breathing 间歇性正负压呼吸
2、 PNPB positive negative pressure breathing 正负压呼吸
3、 positive negative pressure breathing 正负压呼吸