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arc-back
释义
WordReference Random House Unabridged Dictionary of American English © 2024
arc-back
(ärk
′
bak′),
USA pronunciation
n.
[
Electronics.
]
Electronics
an undesirable phenomenon, occurring in rectifier tubes, in which current flows in the reverse direction, from anode to cathode, as a result of arcing, limiting the usable voltage of the tube.
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更新时间:2026/3/23 3:37:22