... moving contactor 活动触盘 multifinger contactor 多接点接触器 ; 多点接触器 reversing contactor 换向接触器 ...
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At least two moving supporting rods which make the electric current conduct are provided between the spherical surface of the spherical contactor and the base.
球形接触器的球面与底座之间设置至少两个使电流导通的移动支杆。
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