ventless

adj.

无通风孔的，无排放口的，无出口的；

Ventless fluid reservoir
Ventless gas-driven pumping system
Ventless pressure control of cryogenic storage tanks
Research on ventless storage of liquefied methane
Ventless Pressure Control of Two‐Phase Propellant Tanks in Microgravity
DEVELOPMENT OF VENTLESS APPLIANCES AND A CATALYTIC IGNITION SYSTEM
Progress on foreign studies of the ventless storage of cryogenic liquid
Comparison of Vented and Ventless Trap Catches of American Lobster with Scuba Transect Surveys
Capacitive Film Thickness Measurements in a Ventless Aero-Engine Bearing Chamber: Influence of Operating Conditions and Offtake Design
Modeling Interfacial Turbulent Heat Transfer during Ventless Pressurization of a Large Scale Cryogenic Storage Tank in Microgravity