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单词
phototube relay
释义
phototube relay
phototube relay
[
′fōd·ō‚tüb ′rē‚lā
]
(electronics)
A photoelectric relay in which a phototube serves as the light-sensitive device.
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bnssg
bnst
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b-nt
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b-nt1
b-nt2
bnta
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bntec
bn tf
bntf
bntg
bnth
bnti
bntl
bntm
bntn
bnto
bntoa
bn toc
bntoc
bn tr
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更新时间:2025/3/1 9:16:18