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Chinese
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English
Terms
for subject
Telecommunications
containing
塞闭
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all forms
Chinese
English
反向闭塞
backward busy
自动闭塞制
automatic block system
闭塞
plugging-up
闭塞信号
blocking signal
闭塞信号
blocking message
闭塞状态
blocked state
闭塞线
block line
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