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Qingdao Bay Bridge
青岛海湾大桥用毛勒栅格式模数伸缩装置D240、D320用毛勒减隔震转轴式模数伸缩装置DS800、DS1120伸缩装置工程造价超逾1亿元
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Grider grid modular expansion joints D240,D320 3D displacement seismic mitigation modular expansion joints DS800,DS1120
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