Typical applications for compression springs are to provide pressure, as in an electrical contact spring;
压缩弹簧典型的应用时提供压力，比如电子接触弹簧；
Side and bottom contact shoes are spring loaded to provide the necessary contact force.
边触式和下触式集电靴装有弹簧用来提供所需的接触压力。
If any other questions spring to mind don't hesitate to contact me.
如果你突然想起什么问题，随时给我打电话。
If any other questions spring to mind don't hesitate to contact me.
如果你突然想起什么问题，随时给我打电话。
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