Read Edit View history 永久虚电路 yǒngjiǔxūdiànlù PVC Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 永久虚电路/永久虛電路 · yǒngjiǔxūdiànlù · PVC 2026/03/04 永久虚电路 / 永久虛電路 yǒngjiǔxūdiànlù PVC permanent virtual circuit; a logical connection in a network that remains active even when no data is being transmitted 永久虚电路通常用于需要持续连接的网络通信。 created sense Mar 4, 2026, 02:25 AM