高清性色生活片免费视频软件_不卡中文字幕Av影片_污视频在线观看网页_亚洲乱亚洲乱妇67194老熟妇_欧美极品18禁止_激情深爰五月婷婷在线观看_韩国黄色网站大全_神马影院我不卡影院_狠狠躁夜夜躁日日躁_无码国产精品一区二区高潮蜜臀

20kV single core cold shrinkable intermediate connector series for 12/20, 18/24kVSingle core polyethylene and cross-linked polyethylene power cables. Cold shrinkable cable accessories are made of imported liquid silicone rubber materials, which not only have very good electrical properties, but also have excellent physical characteristics such as water repellency, high elasticity, long service life and constant shrinkage pressure. Using cold shrinkable cable accessories, no need for open flame and special tools, just gently extract the plastic support strip, can automatically shrink and reset, installation is very convenient for work. It has good electrical and mechanical properties and can be used for a long time under various harsh environmental conditions. It has the advantages of light weight and easy installation. It is widely used in electric power, petroleum, chemical industry, metallurgy, railway, port and construction fields.