Underground conduits are built, central offices located and cables provided with an eye to the future, and if these plans are carried out important economies are obtained. 佚名.神奇的知识之书.
In addition to these advantages, the streets would be freed from their burden of trolley wires or conduits. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
It must not be thought, of course, that these old-time conduits resembled strikingly those of the present day. 佚名.神奇的知识之书.
However, the Edison conduits once in use, both the public and even the telephone, telegraph and ticker companies acknowledged their feasibility. 佚名.神奇的知识之书.
Along either side of these conduits, and extending their entire length, lie the cultivated districts. 埃德加·赖斯·巴勒斯.火星公主.