The vehicles that press down on a bridge's roadway compress the top half of the road, causing it to shorten like a compressedspring.
那些从桥上过压紧桥面的车辆会导致路面上半部分的压缩，使其想被压缩的弹簧一样变短。
2
The compressedspring when force is removed, returns to its original position, the distance that a springcompressed under force depends on the rate of the spring.
当压紧力撤除时，被压紧的弹簧恢复到初始状态，在压力作用下，弹簧的压缩变形量取决于该弹簧的刚度。
3
The paper analyses the high precision design and adjustment of cylindrical spiral compressedspring under condition of installation dimension being ascertained basically.