hammer break

名词 n.
中文释义

英文释义

名词 n.
  1. An interrupter in which contact is broken by the movement of an automatically vibrating hammer between a contact piece and an electromagnet, or of a rapidly moving piece mechanically driven.
    — […] a form of contact device was adopted of the commutator and brush type, having rubbing contacts only, and doing away with all platinum points and hammer breaks.

词形变化

hammer breaks plural
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