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单词
b supply
释义
WordReference Random House Unabridged Dictionary of American English © 2024
B supply,
[
Electronics.
]
Electronics
a battery or other source of power for supplying a constant positive voltage to the plate of a vacuum tube. Cf.
A supply, C supply.
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friction tape
friction welding
friday
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更新时间:2025/2/23 4:31:41