axial movement type expansion joint
自均衡膨胀节（外加强环）self-equalizing expansion joint 轴向位移型膨胀节 axial movement type expansion joint 高压管件弯头带铰链膨胀节 hinged expansion joint ..
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... 全平面；满平面 Flat face; Full face [FF] 轴向位移型膨胀节 Axial movement type 自均衡膨胀节（带外加强环) Self-equalizing expansion joint ...
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