self-supporting coil

例句：

1. 1. The self-supporting coil is a crucial component of the new energy vehicle's power system.
   自给自足的线圈是新型电动汽车动力系统的关键环节。
2. 2. The engineer designed a self-supporting coil that could withstand high temperatures and pressure.
   工程师设计了一种自给自足的线圈，能够承受高温和高压。
3. 3.The self-supporting coil was used to insulate the wires and prevent them from shorting out.
   自给自足的线圈用于绝缘电线，防止它们短路。