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trunk line routes 主航道
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。
Dynamic electricity distribution: trunk line and switch box. 动力配电:干线及开关箱。
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。
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。
In addition,because there are so many passengers for certain places,many of the trunk lines fly the same routes. 此外，由于有许多乘客要飞往某些特定的地方，于是许多主要航班的飞行路线都相同。
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。
In addition, because there are so many passengers for certain places, many of the trunk lines fly the same routes. 此外，由于有许多乘客要飞往某些特定的地方，于是许多主要航班的飞行路线都相同。
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。
Existing products include Roof lining, Seat assembly, Sun visor, Floor mat, Floor Carpet and Engine room &Trunk lining. 公司目前主要产品包括汽车顶棚、座椅组件、遮阳板、车厢地毡和引擎室及行李箱衬垫。
In traditional EHV line routing design,unsophisticated surveying methods and aging maps are the main sources of design error. 在传统的超高压输电线路设计选线中,较落后的测量方式手段和年代久远的地图是导致设计误差的重要原因。
A trunk line. 干线铁路或电话干线
Most part of the North Trunk Line of WanjiaZhai Yellow River Delivery Project has to pass through the zone of collapsible loess, so the collapsibility of the loess foundation becomes the main engineering geological problem therein. 摘要山西省万家寨引黄工程北干线输水管线大部分地段通过黄土地区，黄土地基的湿陷性已成为主要的工程地质问题。
In 1922 and 1923 strikes took place under the Party's Ieadership on all the trunk lines. 指一九二二年和一九二三年中国共产党领导的各主要铁路线的工人罢工。
The author points out that three basic factorsal are essential to the formation of TEB: the traffic trunk line, group of towns, and the industrial sys tem based on the seconda ry industry and the tertiary industry. 通过典型经济带的实证分析发现了“工业自生长点沿着交通轴集聚、扩散及再集聚的动态过程”，将其命名为工业波。