unvented

unvented

美 　英

• 网络未放气的；排气

例句

Water supply - Specification for indirectly heated unvented (closed) storage water heaters

供水间接加热无排水口（封闭）热水贮存系统规范

Specification for expansion vessels using an internal diaphragm, for unvented hot water supply systems

非排放式热水供应系统用的采用内隔膜的膨胀器规范

Ventless Firebox Enclosures for Gas-Fired Decorative type Unvented Room Heaters

燃气装饰型非通风室内加热器用非通风外壳

Specification for unvented hot water storage units and packages

无排气口的蓄热水装置和包装规范

Unvented kerosene-fired room heaters and portable heaters

无通风装置燃煤油房间加热器和便携式加热器

Unvented thermal storage type electric water heater

无排气管贮水式电热水器