subscriber line two-way repeater

基本解释用户线双向增音机

网络释义

1)subscriber line two-way repeater,用户线双向增音机2)both-way exchange line,双向用户线3)two-way repeater,双向增音机,双向帮电机,双向中继器4)two-way repeater,双向增音器5)two-wire repeater,双线增音器6)one-way repeater,单向增音机

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