| 单词 | signal box |
| 释义 | signal box (once / 181836 pages) n WORD FAMILY signal box: signal boxes USAGE EXAMPLESThere were once 10,000 on traditional signal boxes on Britain's railways, at stations and level crossings, beside goods yards and junctions. BBC(Oct 09, 2016) Open for 10 years, it operates on the site of the Cleethorpes Coast Light Railway and was created from a genuine Victorian signal box. BBC(Aug 05, 2016) No anomalies were found in the tracks or signal boxes. US News(Feb 01, 2016) n a building from which signals are sent to control the movements of railway trains Syn|Hyper signal tower building, edifice a structure that has a roof and walls and stands more or less permanently in one place |
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