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McCANNA阀、McCANNA电磁阀、McCANNA调节阀、McCANNA球阀、McCANNA截止阀、McCANNA阀座 上海蕴匠贸易有限公司专业销售美国McCANNA阀、McCANNA电磁阀、McCANNA调节阀、McCANNA球阀、McCANNA截止阀、McCANNA阀座。Mccannaseal公司成功研制出双斜面顶装式金属密封球阀
McCANNA 阀 MVV-NS, McCanna 4" S301 S6-M-S6/UOP7NBp/n: 232S301S6MS6UOP7NB