1. Call toll - free 
   打免费电话
2. toll for highway maintenance 
   公路养路费
3. In Beijing, there were 46 lines of main toll route per 100 persons for public network fixed telephones, of which, there were 58 lines of main toll route per 100 persons for urban district telephone，up by 16 percent and 17.2 percent over the previous year respectively. 
   全市公众网固定电话主线普及率达到46线/百人，其中市区电话主线普及率达到58线/百人，分别比上年增长16%和17.2%。
4. The fiber optic trunk network comprising eight vertical and eight horizontal lines was completed 2 years ahead of schedule, covering all the provincial capitals nationwide. The optic cable across the country totaled 1 million km and the toll circuits 1.63 million lines.  
   通达所有省会城市的“八纵八横”光缆骨干网提前两年建成，全国光缆总长度达到100万公里，长话业务电路达到163万路。
5. a gate or bar across a toll bridge or toll road which is lifted when the toll is paid. 
   位于收费桥或收费公路处的一种门，只有当人们交了费用后这个门才可以被吊起来准许人们通行。

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• 1. 长途通信网
  toll line bialing 长途拔号...toll network 长途通信网...toll operator 长途话务员
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• 2. 长途网
  本地网 local network...长途网 toll network...公用网 public network
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• 3. 长途网络
  长途网络(toll network)：这些是WAN提供商网络中的中继线路。长途网络是属于ISP的交换机和设备的集合。
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• 4. 长途电话网
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