disk type reducing valve

valve... ... disk valve 圆盘阀; 片状阀; 平板阀 disk-type reducing valve 盘式减压阀 distributing slide valve 分配滑阀 ...

... disk valve 阀阀阀; 阀 片状; 阀 平板 disk-type reducing valve 阀 阀阀 式减 Distillation Ejector 1 阀阀阀 阀 蒸 射器 1 ...