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Flange Union

法兰联管节；折缘管节

1、法兰联管节

... flange spreader 法兰分离器 flange union 法兰联管节 flange 法兰；凸缘 ...

2、折缘管节

... 折缘机 flanger machine ; flanging machine ; flange press ; ine 折缘管节 flange union 折缘试验 flanging test ...

union flange管接法兰;管节法兰

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