低频电压注入式
low frequency voltage injection
叠加方波电压式保护
injecting square wave voltage protection
低频电压注入
low frequency voltage injection
高频电压注入
high frequency voltage injection
零序电压注入
injected zero-sequence voltage
zero-sequence voltage injection
气水交替注入方式
alternative injection of gas and solution
注入方式
injection pattern
injection mode
Injection method
Injection mode CLC number