速闭阀 quick closing valve ; trip valve ; quick closing stop valve ; Fast closing valve

快速闭合 quick make ; rapid closing

应急速闭阀 quick closing emergency valve ; closing emergency valve

速闭舱口盖 quick closing hatch cover

快速闭门 QPK

手动速闭阀 hand -operated quick-closing stop valve

速闭装置 quick shutting device ; Quick-closing device

速闭安全阀 rapid closing safety valve

速闭门 quick closing door

速闭的 quick closing