释义 |
troughing, n.|ˈtrɒfɪŋ, -ɔː-| [f. trough n. + -ing1 1 g.] Troughs collectively; provision of troughs; a set or system of troughs.
1825J. Nicholson Operat. Mechanic 85 The openings in the bottom of the troughing should be of iron. 1904Daily Chron. 31 Dec. 6/7 On the walls of the tunnels 153 miles of troughing have been fixed to carry the cables. |