The mainland is the launch pad for the bridge structure emerging from the ground and approach road.

大陆是桥体结构的起点，桥体结构从地面露出来，伸向道路。

youdao

There are 2 rail dual beam bridge, for pad beam pad on each node truss should get off track, on the edge of the I-beam to pad.

双梁桥架上有2根轨道，用于桁梁应垫梁应垫在各节点处，下车轨道边上的工字钢也要垫好。

youdao

For the reasons of design, construction and material aging, plate type elastomeric pad used on bridge would appear unusual deformation, cracks, glide etc.

板式橡胶支座在使用过程中，由于设计和施工的原因以及材料老化的原因，易发生异常变形、开裂、滑动支座不能滑动等病害。

youdao