| 单词 | railway signal |
| 释义 | > as lemmasrailway signal railway signal n. ΚΠ 1838 Civil Engineer & Architect's Jrnl. 1 358/1 A railway signal erected at the Grand Junction station. 1926 C. F. Harding & D. D. Ewing Electr. Railway Engin. (ed. 3) xix. 258 The development of the two-rail signal system making use of impedance bonds..marked the beginning of a new era in the development of the new railway signal systems. 1997 C. Carson Star Factory (1998) 61 I could hear the clicking of defunct railway signals. < as lemmas |
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