Protective Earth and Neutral (conductor)什么意思

Penitentiaryadj. 改过的, 感化的, 惩罚的 Provinciaal Energiebedrijf NoordHolland (Dutch)Provinciaal Energiebedrijf NoordHolland(荷兰) Partido Encuentro Nacional (Paraguay)Partido Encuentro Nacional(巴拉圭) Primary Endosperm Nucleus初生胚乳核 Penaltyn. 处罚, 惩罚 Probability, Electric Strength, Number of Life Cycles概率,电气强度、数量的生命周期 Pennsylvania Environmental Network宾州环保的网络 Poder Ejecutivo Nacional (Argentina)现在Ejecutivo Nacional(阿根廷) Professional Employer Network专业的雇主的网络 Plain English Network (US government)简单的英语网络(美国政府) Private Enterprise Number (assigned by the IANA)私营企业号(指定IANA) Professional Executive Network专业人士 Private Electronic Network私人的电子网络 Peruvian Nuevo Sol (Currency)秘鲁新索尔(币) Public Education Network公共教育网络