commutator circuit的用法和樣例：
例句
- A new power circuit of SRM base on two IPMs is introduced.
本文介紹了一種新型的基於兩隻智能功率模塊的四相功率變換器電路。 - In this paper, an ultra-fast multiple descriminator circuit system is described, and also its circuit structure and circuit design has been introduced briefly.
摘要提出了超高速多重快甄別器電路系統，並簡要介紹了該系統的電路結構與電路設計。
