您要查找的是不是：
- Design of Reconstruction of Bridges on Busy Trunk Line 繁忙干线上桥梁改建的设计探讨
- Signal Transition Engineering Design during Station Renovation on Busy Trunk Line 繁忙干线上站场改造时信号过渡工程设计
- Increasing Speed of Trains Running on Busy Trunk Line Improving Car Structure to Increase Train Speed 改进车辆结构提高列车速度
- Speed increase and modernization of tracks on busy trunk lines 繁忙干线提速与轨道现代化
- 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。
- busy trunk line 中继线忙线路
- A discussion of air brake system for heavy-haul express freight trains on busy trunk lines 繁忙干线开行重载快运列车的制动问题探讨
- Dynamic electricity distribution: trunk line and switch box. 动力配电:干线及开关箱。
- A study on track quality control and permissible speed during major repair of busy trunk lines at night with heavy-duty maintenance machinery 繁忙干线大型养路机械夜间线路大修综合施工轨道质量控制和容许速度的研究
- Traffic flow clearly falls on the trunk line after nine o'clock. 九点以后这条主干道的交通量明显下降。
- Illumination technology of comprehensive construction for major repair of busy trunk lines at night with heavy duty maintenance machinery 繁忙干线大型养路机械夜间线路大修综合施工照明技术研究
- On Standardization of Maintenance Operation of Speed-increasing Switches by Large Track Maintenance Equipment on Busy Trunk Lines 繁忙干线大型养路机械夜间提速道岔维修作业标准化探讨
- 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。
- 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。
- Heavy traffic overloaded the trunk lines. 繁忙的交通让主干道超负荷运行。
- These telephone lines are also known as trunk lines. 这些电话线也称为干线。
- Thepractice shows that the internal corrosion of gas trunk line could be solv... 实践证明,输气干线采用缓蚀剂保护可以减轻管道的内腐蚀,达到延长管道寿命的目的。
- Conversely, the calls placed between users within the business do not ordinarily require special dialing digits or use of an external trunk line. 反之,在公司内部用户之间的呼叫通常不要求拨打特殊号码或使用外线。
- As there is something wrong with the trunk line of the network, the transmission of data is blocked. The technical staff is urgently repairing it. 由于网络的中继线出了问题，造成数据通信不畅，技术人员正在抢修。
- From Ordos City to Beijing and Tangshan Port chemical products pipeline project,there are one trunk line and two laterals. 项目简介：鄂尔多斯市至京唐港化工产品管道工程共建有一条干线，两条支线。
