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... late closing of valve 气门延迟关闭 quick closing stop valve 速闭阀 rapid closing stop valve 快速截止阀 ...
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应急速闭阀 quick closing emergency valve ; closing emergency valve
手动速闭阀 hand -operated quick-closing stop valve
快速关闭阀门 rapid-closure damper
速闭安全阀 rapid closing safety valve
速闭截止阀 quick closing stop valve ; closing stop valve
速闭总阀 Quick-closing master valve
快速启闭闸阀 Quick open-and-close gate valve
导流式速闭止回阀 Non-slam nozzle check valve
高速关闭阀 high flow shutoff valve
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