封闭物 meaning in English
sealing element
Examples
- Packaging - light - gauge metal packaging - apertures for plug - in plastic closures
包装.轻型金属包装.塞塑料封闭物的缝隙 - Stationary ring enclosure is made out of concentrated carbon graphite , anti - wear - out , waterproof , and suitable for dry operation
固定环封闭物是特殊的材料,是抗磨损碳精石墨所制造的,不透水和乾式运转。