ventless
1. The future of the ventless storage of cryogenic liquid has been expected.
并对未来低温液体储存研究的发展方向进行了展望。
2. Ventless storage
无损储存
3. Ventless Firebox Enclosures for Gas-Fired Unvented Decorative Room Heaters
燃气无排气口可装饰的室内用加热器用无通风孔口的燃烧室
4. 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