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- Controlled blasting for urban underground cable tunnel 城市地下电缆隧道控制爆破技术
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- SHALLOW-CONCEALED EXCAVATION TECHNOLOGY FOR LARGE SCALE UNDERGROUND CABLE TUNNEL CONSTRUCTION 大型地下电缆隧道浅埋暗挖法施工技术
- underground cable tunnel 地下电缆隧道
- Power is fed into the electricity line through an underground cable. 电力通过地下电缆传输给这条电线。
- The electricity line is fed with power through an underground cable. 这条电线的电源是通过地下电缆传输的。
- Overhead lines have more outages than underground cable per unit length, but the outages are usually shorter in duration. 架空线路单位长度的停电数要比地下电缆的多,但停电持续时间短。
- First conversation by long distance underground cable, 10 miles - New York to Newark. First installation in Chicago begun. Earliest use of measured service in automatic exchanges. 首次通过地下电缆实现长途电话传输,从纽约到纽瓦克,全长10英里。芝加哥开始按章第一套电话系统。在自动化交换中首次使用计次制通话业务。发明浦尔生电弧无线发射机。
- A system consisting essentially of underground cables. 基本上由地下电缆组成的系统。
- Construction of a 4.5m diameter, 4.5km long cable tunnel with a portal at Lung Fai Street near Castle Peak Power Station and a ventilation building near Sun Tuen Mun Centre in Tuen Mun (see Figure 2). 修建一直径4.;5米;长4
- Conversation by underground cable, 90 miles-New York to Philadelphia. Invention of Keith Line Switch, resulting in enormous reduction in cost of automatic boards. First used at Wilmington, Delaware. 通过地下电缆传输的电话线路连接纽约和费城，全长90英里。基思寻线机的发明，导致自动交换台的成本大幅降低，并首次用于特拉华州的威明顿。
- In general, the power engineer adopts fixed value of Basic Lightning Impulse Level (BIL) as equipment specification, and put lightning arrester at the joint of tower and underground cable. 在变电所之系统设计上，设备绝缘等级是采用传统固定式的基本雷击脉冲准位(BIL)来作为规范，而避雷器是固定安装于地下电缆的入口端的位置。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- Water blocking device for the inlet of cable tunnel 电缆隧道入口处堵水装置
- Underground cables link Boston, NYC and Washington. February 26, Boston-Washington under-ground telephone cable placed in commercial service. 地下电缆连接波士顿、纽约市和华盛顿。2月26日，波士顿至华盛顿地下电缆投入商业运营。
- The further study on the relation between the temperature and voltage of the electric underground cables provides a guide for the optimal arrangement of the cable. 为进一步研究直埋敷设在地下的电缆的温度和电压之间的关系和实际的电缆安全运行提供了数据。
- In lab experiments, they eliminated possible power sources such as radio or microwaves and underground cables. 在实验室做实验时，他们排除了可能存在的电源，比如，无线电、微波以及地下线缆。
- Under the terms of the contract, ABB will supply the underwater and underground cables for the high-voltage direct current (HVDC) link. 根据合同条款，ABB将为该高压直流（HVDC）电线提供水下和地下电缆。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- Temperature field and ampacity of underground cables in steady and transient conditions buried in complicated soil are studied. 研究了埋设于复杂土壤中的电力电缆在稳态及暂态情况下的温度场和载流量。
