长途中继线中转开关的英文

• ttts toll trunk transit switch

• 长途    long-distance
• 中继线    junction line; relay line; t ...
• 中转    change trains; transit shipm ...
• 开关    Q-switching
• 长途中继线    ld trunk; toll trunk; trunk junction; trunk line
• 支局长途中继线    tributary toll trunk
• 中继线中继    tr trunk relay
• 长途中转和出局开关    ttos toll transit and outgoing switch
• 长途中转和入局开关    ttis toll transit and incoming switch
• 甲乙长途中继线, ab长途中断线制    a-b toll trunk
• 三线中继线    three-wire junction; three-wire trunk
• 双线中继线    two wire junction
• 占线中继线    busy trunk
• 长途中继电路    toll junction circuit; trunk junction circuit
• 长途线中继电路    toll line relay circuit; toll line trunk circuit
• 立接长途中继电路    demand trunk circuit
• 专用长途中继电路    special toll trunk circuit
• 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
• 长途来话中继线    toll terminating trunk
• 长途入局中继线    toll incoming trunk