Top Cover， Bottom Cover， And Cover Board

gate lintel ventilation plus ventilation behind ga

synchronized intermittent mandatory ventilation plus pressure support ventilation

cover-to-cover translation

from cover to cover

with average cover {= WA Cover}

(superscript 133)Xe ventilation scintigraphy

3--Ventilation

99mTc DTPA aerosol ventilation scintigraphy

absolute ventilation

accommodation ventilation

adaptive demand-controlled ventilation

adaptive support ventilation

Adaptive support ventilation ASV

adaptive support ventionlation

Additional Ventilation

adequate ventilation

after ventilation

air change ventilation system