backspacer

名词 n.
中文释义

英文释义

名词 n.
  1. A mechanism in a typewriter that controls backspacing.
    — All have automatic backspacers and shift keys, and some have special devices for controlling touch pressure, and special mechanisms for expansion of space between the cylinder roller and the platen when doing multiple copy work.

词形变化

backspacers plural

词源

From backspace + -er.
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