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hai yang yi qi zhong gui jin shu jie chu fu de ying yong
Author(s): 
Pages: 33-37
Year: Issue:  4
Journal: Ocean Technology

Abstract: <正> 在测量技术和控制技术的领域中,几乎到处都要遇到各种各样的电刷、滑环、触头和开关,利用它们来实现电源或讯号的联接、切换或控制。人们发现一般有接触电路往往存在这样两个缺点:一是可靠性不够好,有时发生接触不良;二是要有较大的正压力,因而摩擦力
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