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Terms for subject Communications containing 保持 | all forms | in specified order only
ChineseEnglish
保持开放hold clear
保持自保,吸持电路hold circuit
保持继电器retaining retained relay
同步保持时间synchronization holding time
HOLD 呼叫保持HOLD call
呼叫保持call holding
跟踪保持电路track and hold circuit