1.不透气的,气密的,密封的
1.preventing any gas from passing through
1.The tube projects from the ceramic wall and is provided with a gastight seal (76).
管从陶瓷壁突起,且具有气密性密封件(76)。
2.Equipped with Safe Lab system; Thin-walled cooling pipe consists of a translucent and gastight PFA tubing;
薄壁式冷却管包括半透明的和不漏气的PFA材质两种;
3.Research of Gastight Quality for Controlled Atmosphere Storage
果蔬气调贮藏库气密性探讨
4.VHP ? Chambers and Gastight Doors
气密型门或房间
5.The Study, manufacture and application of high gastight smoke damper and smoke exhaust damper
高气密防、排烟阀门的研制与应用