In extended use. The provision of underground ducts or channels for conveying cables, electric current, etc. Obsolete.
单词 | θ210186 |
释义 | society > occupation and work > industry > conducting of water, etc., by channels or pipes > plumbing and pipework > [noun] > installation of ducting (1) canalization1882 In extended use. The provision of underground ducts or channels for conveying cables, electric current, etc. Obsolete. |
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