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1 分析改进前的弹簧全启式液化气安全阀密封结构如图1,阀座密封面为刀形金属密封面,阀瓣密封面
1 Analysis before the improvement of the spring all-liquefied gas valve seal structure shown in Figure 1, the valve seat sealing surface for the blade-shaped metal sealing surface, valve sealing surface