| 1. | Research of the ctc system of the jiaoji trunk line
胶济铁路干线调度集中系统的研究
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| 2. | Dynamic electricity distribution : trunk line and switch box
动力配电：干线及开关箱。
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| 3. | Major transport trunk lines and hubs
重大交通运输干线与枢纽工程
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| 4. | . add inter - office trunk lines from the end office to tandem office
（ 1 ）增该端局到汇接局的局间中继。
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| 5. | Like any highway system , the federal airways have their main trunk line
同任何公路系统一样，联邦航空线路也有其主航线。
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| 6. | Like any highway system , the federal airways have their main trunk line
同任何公路系统一样，联邦航空线路也有其主航线。
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| 7. | The traffic trunk line is a basic premise of the development of teb
工业集聚-扩散的波浪式运动是经济在空间上扩散的一个基本模式。
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| 8. | Develop binhai new area of tianjin , build new trunk line of science and technology in beijing - tianjin - tanggu region
发展天津滨海新区打造京津塘科技新干线
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| 9. | Length of railways in operation ： refers to the total length of the trunk line under passenger and freight transportation
铁路营业里程：又称营业长度，指办理客货运输业务的铁路正线总长度。
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| 10. | High - low voltage switch box , dynamic trunk line , mcc , ats , walkie - talkie , broadcasting , fire alarming system , telephone system , etc
电气：高低压开关箱动力干线mcc ats对讲广播火警电话等系统。
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