spring suspension造句怎么写

4、Sagging springs. Spring will sag from overloading or if they have become weak. Loss of the shim from the coil spring seat on the coil-spring suspension will cause the spring to seem shorter and to sag.

2、Vertical random vibration analysis of offset loaded cars and the optimized design of the two-stage spring suspension parameters

1、There are many kinds of spring in spring suspension devices, but the most used spring in rolling-stock is cylindrical spiral spring.

3、In order to simulate the exact boundary condition, the simple model of air spring suspension was set up.