金属或塑料电缆接头。
尽管早期对塑料电缆寄予希望，但对于较高电压，最有效的绝缘仍采用油纸组合绝缘。
In spite of earlier hopes for plastic insulations, the combination of paper and oil still forms the most effective dielectric at the higher voltages.
本文主要从合金塑料电缆桥架的特点、应用技术创新、最佳防腐性能以及未来发展前景等方面进行探讨。
This article is mainly discussed about the characteristic, technology innovation, the best erosion resistance performance and future prospect of alloy plastic cable tray.
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