2134| 0
|
IEC 60502-2:2005 额定电压为1kV(Um=1.2kV)到30kV(Um=36kV)的挤包绝缘电力电缆及附件 第2部分 |
Archiver|手机版|小黑屋|标准网 ( 浙ICP备19005909号 )
GMT+8, 2024-11-22 14:49 , Processed in 0.069674 second(s), 31 queries .
Powered by Discuz! X3.4
© 2001-2023 Discuz! Team.