普通交流接触器在使用中存在一定的问题，改用真空交流接触器效果良好。
There exists some problems in using the common alternating current contactor. It improves after having used the vacuum contactor.
在扩散型电弧条件下对交流真空接触器触头侵蚀的特点进行剖析。
Under the condition of diffuse type of vacuum arcs the contact erosion rates in ac vacuum contactors are analysed.
公司引进美国先进的真空封装技术和芯片，生产的可控硅交流接触器，填补了国内一项空白。
Our company adopted American advanced vacuum encapsulation technology and CMOS chip, the controllability Si AC contactors is peerless in national market.
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