Refers to operations of electrical contacts to permit a stress-free spring action to develop contact pressure, i. e., used in sockets of printed-circuits and in many other types of connectors.是什么意思_Refers to operations of electrical contacts to permit a stress-free spring action to develop contact pressure, i. e., used in sockets of printed-circuits and in many other types of connectors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句