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单词 relay rack
释义

relay rack

Electronics
noun
A rack or frame on which relays are mounted; (in later use) a standardized metal rack designed to hold panels nineteen inches in width on which amplifiers, equipment for computer servers, or other electronic modules can be mounted.

Origin

Early 20th century; earliest use found in American Telephone Journal.

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更新时间:2025/2/23 4:20:06