electric underground cable

例句：

1. 1. The electric underground cable is essential forthe city's power supply.
   电力地下电缆对于城市的电力供应至关重要。
2. 2. The constructionof the new subway line will requirethe installation of new electric underground cables.
   新地铁线路的建设将需要安装新的电力地下电缆。
3. 3. The electric underground cablesare buried deep underground to prevent damage fromnatural disasters.
   电力地下电缆被深埋在地下，以防止自然灾害造成的损害。