压缩弹簧典型的应用时提供压力，比如电子接触弹簧；

Typical applications for compression springs are to provide pressure, as in an electrical contact spring;

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压缩弹簧典型的应用时提供压力，比如电子接触弹簧；

Typical applications for compression springs are to provide pressure, as in an electrical contact spring;

youdao