modular bridge expansion joint 模块型桥梁伸缩缝
TST bridge expansion joint TST桥梁伸缩缝
highway bridge expansion joint 公路桥梁伸缩缝
Bridge e expansion joint 桥面伸缩缝
bridge surface expansion joint 桥面伸缩缝
New bridge elastic expansion joint 新型桥梁弹性伸缩缝
The bridge expansion joint is an important part of vehicle system.
桥梁伸缩装置是桥面的重要组成部分。
Setting bridge expansion joint will not only influence the comfort of riding, but also cause damage to bridge in different degrees.
桥梁伸缩缝的设置不但影响行车的舒适性，而且容易造成桥梁不同程度的破坏。
But how to estimate and maintain the bridge expansion joint is an urgently problem to be solved by the manage department of the highway.
桥梁伸缩装置的破损程度如何评价，如何养护维修，是公路管理养护部门急需解决的问题。
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