英语词汇“disc signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

disc signal

disc signal n. Railways (now chiefly historical) any of various types of signal in the form of a disc or displaying a disc.

ΚΠ

1841 F. Smith in Rep. Officers Railway Dept. App. 178 in Parl. Papers (1842) XLI. 13 A large disc signal to be used by day, and a red light for the night, should be put up at every station on this line.

1912 L. P. Lewis Railway Signal Engin. ix. 235 There is some divergence of practice as to which side of the line a disc signal should be placed.

2003 B. Solomon Railroad Signaling i. 36 (caption) The disc signal..displayed two aspects.

extracted from discdiskn.

as lemmas

单词	disc signal
释义	> as lemmas disc signal disc signal n. Railways (now chiefly historical) any of various types of signal in the form of a disc or displaying a disc. ΚΠ 1841 F. Smith in Rep. Officers Railway Dept. App. 178 in Parl. Papers (1842) XLI. 13 A large disc signal to be used by day, and a red light for the night, should be put up at every station on this line. 1912 L. P. Lewis Railway Signal Engin. ix. 235 There is some divergence of practice as to which side of the line a disc signal should be placed. 2003 B. Solomon Railroad Signaling i. 36 (caption) The disc signal..displayed two aspects. extracted from discdiskn. < as lemmas
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