uniselector

名词 n.
中文释义

英文释义

名词 n.
  1. A type of stepping switch able to select on only one axis, formerly widely used in telephone exchanges.
    — Relays and uniselectors of types installed in many telephone exchanges are used in the selective ringing dial system.

词形变化

uniselectors plural

词源

From uni- + selector.
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