train signals造句

例句与造句

1. Designed by Keith Jellum and located on the roof of the station building, the vane resembles old train signals.
2. For example, in train signal control systems it is common practice to use a fail-safe system design concept.
3. A report on the crash by government inspectors said signal 109 was considered one of the 22 most dangerous train signals in the country.
4. The light, known as signal 109, was considered one of the 22 most dangerous train signals in the country, according to the report by government inspectors.
5. Service on three subway lines in lower Manhattan was interrupted for nearly four hours on Labor Day after David Mercado shot out a train signal to get someone to rescue him.
6. It's difficult to find train signals in a sentence. 用train signals造句挺难的
7. After that, Mercado said, he spent more than three hours in the tunnel, yelling and covering a train signal with his shirt in futile efforts to attract someone to rescue him.
8. He said he wants to upgrade train signals and tracks, creating more of them to eliminate clogging he described as a " bottleneck " in areas between Albany and New York.
9. The 1st Engineer Company produces wartime Air Force, giving supplementary training for career personnel and conducting R & D . The HQ and Signals companies train signals and headquarters troops and military police troops.
10. Directional audio train signaling may be accomplished through the use of an ultrasonic beam which will warn of the approach of a train while avoiding the nuisance of loud train signals on surrounding homes and businesses.
11. For example, if a train signal malfunctions or an engineer misses a yellow or red signal in a congested area, the positive train separation system would intervene and send digital signals that would slow the train to its proper speed.
12. In addition, rules for tardiness and absences are extremely strict and always results in the forfeit of taking the exams as there are no " makeup " sessions or re-takes offered except in cases such as delays caused by broken train signals.
13. Hensall Station was also the site of a small collision in 1949 between a British Railways freight engine and a lorry after failure of a crossing keeper to acknowledge the train and brake van approaching, however it was argued that the signal man never gave the crossing the approaching train signal.