bend pressure balanced expansion joint的意思|示意
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弯曲压力平衡伸缩节
bend pressure balanced expansion joint的网络常见释义
弯管压力平衡型膨胀节 复式万向铰链型膨胀节 double gimbal expansion joint 弯管压力平衡型膨胀节 bend pressure balanced expansion joint 直管压力平衡型膨胀节 straight pressure balanced expansion joint ..