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调节阀气开与气关形式的选择,要怎么选呢?
关于调节阀到底气开和气关和FO和FC对不上号,气开阀是fail to closed?气关阀是fail to open的意思吗? 哈哈哈。FO是简写,fail to closed的意思是百关闭失败,fail to open是打开失败,按照度你...
关于调节阀到底气开和气关和FO和FC对不上号,气开阀是fail to closed?气关阀是fail to open的意思吗? 哈哈哈。FO是简写,fail to closed的意思是百关闭失败,fail to open是打开失败,按照度你...