甲乙长途中继线, ab长途中断线制的英文

• a-b toll trunk

• 甲    the first of the ten Heavenl ...
• 乙    the second of the ten Heaven ...
• 长途    long-distance
• 中继线    junction line; relay line; t ...
• ab     〔拉丁语〕从(＝ from, away)。 ab ex ...
• 中断    suspend; break off; disconti ...
• 线    thread; string; wire
• 制    make; manufacture
• 长途中继线    ld trunk; toll trunk; trunk junction; trunk line
• 支局长途中继线    tributary toll trunk
• 长途中继线中转开关    ttts toll trunk transit switch
• 长途中继电路    toll junction circuit; trunk junction circuit
• 立接长途中继电路    demand trunk circuit
• 专用长途中继电路    special toll trunk circuit
• 甲乙长途制, a-b长途制    a-b toll system
• 长途中心局    far end exchange; far end office; group center exchange; remote exchange; toll central office; toll centre; toll exchange
• 长途中间选择器    toll intermediate selector
• 汇接长途中心局    tandem outlet
• 省间长途中心局    interprovincial toll central office
• 长途拨号中继线    toll dialing trunk
• 长途出局中继线    toll outgoing trunks
• 长途电话中继线    itt intertoll trunk
• 长途记录中继线    toll recording trunk
• 长途交换中继线    toll switching trunk
• 长途局间中继线    intertoll trunk