wire voice frequency telephone repeater的意思|示意

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有线音频电话中继器


wire voice frequency telephone repeater的网络常见释义

四线制话频电话中继器 长途自动电话中继器 toll automatic switching repeater 四线制话频电话中继器 fourwire voice frequency telephone repeater ; wire voice frequency telephone repeater 长途电话自动中继器 automatic toll switching repeater ..

wire voice frequency telephone repeater相关短语

1、 four-wire voice frequency telephone repeater 四线制话频电话中继器