outdoor post insulator
常见例句
- Under I or II class contamination conditions of station site, ceramic post insulator, sleeve and other ceramic devices are difficult to meet outdoor usage requirements.
在I、II级污秽等级的站址环境下，瓷质外绝缘单个支柱绝缘子、套管以及其他瓷质类设备难以满足户外要求； 返回 outdoor post insulator