undulating cable

例句：

1. 1. The undulating cables of the cable cars glide smoothly over the city's streets.
   缆车起伏的电缆在城市街道上平稳地滑行。
2. 2. The engineer carefully laid down the undulating cables to ensure stability.
   工程师小心翼翼地铺设起伏的电缆，以确保稳定性。
3. 3. The undulating cables were designed to provide a smooth ride for passengers.
   起伏的电缆被设计为为乘客提供平稳的乘坐体验。