quick open meaning in English

快开
快速打开

Quick opening sprinkler system device
快开喷水灭火系统装置
Quick opening devices for dry pipe valves for fire protection service
防火设施用干管阀门的快速开启装置
Application of quick opening xkz filter press in frothed coal dewatering
快开压滤机在浮选精煤脱水中的应用
Quick opening closure
快速开关盲板
Standard for safety for quick opening devices for dry pipe valves for fire protection service
防火设施用干管阀快速打开装置的安全标准

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