永久虚电路 | yǒng jiǔ xū diàn lù | Permanent Virtual Circuit / PVC | |
固定虚拟连接 | gù dìng xū nǐ lián jiē | Permanent Virtual Connection / PVC | |
氯纶 | lu:4 lún | polyvinyl chloride fiber / PRC brand name for PVC fiber | |
未增塑聚氯乙烯 | wèi zēng sù jù lu:4 yǐ xī | unplasticized poly(vinyl chloride) / unplastified PVC |