open-circuit operation的用法和樣例：
例句
- For operation refer to the stylebook of VCB.
斷路器的操作詳見(jiàn)斷路器樣本。 - A few protection types for VCB operation over-voltage are analyzed and compared, and some suggestions for selecting protection types in engineering design are given.
分析比較了在高壓廠(chǎng)用電系統中保護真空斷路器操作過(guò)電壓的幾種方式，提出在工程設計中采用何種保護方式的建議。
