短語(yǔ)詞組短語(yǔ)back ripple current 逆向脈動(dòng)電流back ground current 維弧電流back -current relay 反向電流繼電器Back Leakage Current 反向漏電流back boost current regulator 升降壓式穩(wěn)流器Back facet current 背光電流Back facet dark current 背光二極管暗電流back current step 逆流級(jí)Fold Back Current Limiting 回流限制 返回 back current