commutator switch的用法和樣例：
例句
- Faulty high pressure cut-off switch.
高壓截止器開關出故障。 - First, the ideal circuit model of the proposed ZVS QR PFC is analyzed to identify the ZVS conditions.Also the circuit operations and the loss analysis of the switch are discussed.
本論文先就理想電路分析來說明所提出之功率因數修正器開關達到零電壓切換之條件以及電路動作，計算開關之損耗。
