| 释义 |
positive-negative pressure breathing pos·i·tive-·neg·a·tive pres·sure breath·ing (PNPB), inflation of the lungs with positive pressure and deflation with negative pressure by an automatic ventilator.pos·i·tive-neg·a·tive pres·sure breath·ing (poz'i-tiv-neg'ă-tiv presh'ŭr brēdh'ing) Inflation of the lungs with positive pressure and deflation with negative pressure by a ventilator. |