词典
例句
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简体中文
closed-circuit operation
closed-circuit oxygen equipment
closed-circuit pipe system
closed-circuit pulverizing
closed-circuit recording
closed-circuit refrigeration
closed-circuit screen
closed-circuit signaling
closed-circuit signalling
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closed-circuit recording
➞
closed-circuit recording
Definitions
[1]
[电]
闭路录音/录像
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closed-circuit recording