短語詞組短語Protective Grounding Circuit 保護(hù)接地電路protective e circuit breaker 保護(hù)斷路器protective bonding circuit 保護(hù)接地電路Protective tripping circuit 保護(hù)跳牐電路protective electronic circuit 保護(hù)電子電路protective rejector circuit 保護(hù)性帶阻濾波器電路protective secondary circuit 保護(hù)二次廻路ground fault protective circuit 接地故障防護(hù)電流phase protective circuit 斷相保護(hù)電路 返回 protective circuit