美利体育登录入口官网:SM CEI 60840:2014 额定电压大于30 kV(Um=36 kV)至150 kV(Um=170 kV)的挤包绝缘电力电缆及其附件 试验方法和要求
Extruded Insulated Power Cables and Their Accessories for Nominal Voltages Greater Than 30 kV (Um = 36 kV) Up to 150 kV (Um = 170 kV): Test Methods and Requirements