国产日韩在线观看国产精品一区二区av片,蜜臀AV免费一区二区三区,无码精品国产一区二区VR,国产精品尤物在线,老司国产精品免费视频 ,成人国产精品日本在线,凹凸在线无码免费视频,欧美一性一乱一交一视频,久久久精品人妻一区二区三区四,伊伊综合在线视频无码

It is widely used in vertical power supply in high-rise buildings, residential buildings, commercial buildings, hotels, hospital electrical shafts, and also for power supply systems such as tunnels, airports, bridges, and highways.

JKLHY、JKLY

450/750V

2×0.75～2×6mm²

3×0.75～3×6mm²

4×0.75～4×6mm²

5×0.75～5×6mm² 

7×0.75～7×6mm²

8×0.75～8×6mm²

10×0.75～10×6mm²

12×0.75～12×6mm²

14×0.75～14×6mm²

16×0.75～16×2.5mm²

19×0.75～19×2.5mm²

24×0.75～24×2.5mm²

27×0.75～27×2.5mm²

30×0.75～30×2.5mm²

37×0.75～37×2.5mm²

44×0.75～44×2.5mm²

52×0.75～52×2.5mm²

61×0.75～61×2.5mm²