Large sections of bridge deck are pushed out over the piers on rollers or sliding teflon bearings.

将桥面的巨大节段在滚轴或滑行聚四氟乙烯支撑板上推过桥墩。

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Large sections of bridge deck are pushed out over the piers on rollers or sliding teflon bearings.

将桥面的巨大节段在滚轴或滑行聚四氟乙烯支撑板上推过桥墩。

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