... 法兰式伸缩接头 VSSJA 套筒伸缩接头 dresser coupling 伸缩接头复盖 expansion joint cover ; expa ion joint cover ...
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dresser type expension joint
... 纵向伸缩接头 Longitudinal Expansion Joint 套筒伸缩接头 dresser coupling ; dresser type expension joint 母线伸缩接头 bus compensator ...
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