standard inductor

例句：

1. 1.The standard inductor is used to measure the resistance of a wire.
   标准电感器用于测量导线的电阻。
2. 2. The standard inductor was designed to improve the efficiency of the electrical system.
   标准电感器被设计来提高电气系统的效率。
3. 3.The standard inductor is an essential component of many electronic circuits.
   标准电感器是许多电子电路中必不可少的组件。