Spherical bearing is a kind of bearing adopted widely on the city flyover and road bridge.

球型支座是在城市立交桥及公路桥梁上得到广泛采用的一种支座形式。

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Spherical bearing is a kind of bearing adopted widely on the city flyover and road bridge.

球型支座是在城市立交桥及公路桥梁上得到广泛采用的一种支座形式。

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