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

快速闭合 rapid closing

应急速闭阀 quick closing emergency valve

速闭舱口盖 quick closing hatch cover

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

速闭的 quick closing

速闭门 quick closing door

快速闭锁装置 quick acting locking device