基本解释n.合闸(接通)同根派生 switchingin相关词英汉例句Analysis and Improvement on Abnormal Automatic Switchingin of Breaker 断路器非正常自动合闸的原因分析及改进Application of Vacuum Contactor Switchingin and Break Capacitors Dynamic to Compensate Reactive Power 真空接触器动态投切电容无功补偿的应用switchingin更多例句