manual block造句

例句与造句

1. Separate Manual Block signal aspects existed as well.
2. The Waterbury Branch is currently " manual block ", or unsignaled, territory.
3. But the nice thing about a " manual block " like this is that it transfers to new IPs effortlessly.
4. Manual block systems work by dividing up a rail line into predefined " blocks ", which are typically demarcated by fixed signs.
5. This manual block system is still on use on the Long Island Rail Road, which had been a subsidiary of the PRR.
6. It's difficult to find manual block in a sentence. 用manual block造句挺难的
7. Bi-directional ABS was popular on lower density single track lines that nevertheless needed an upgrade from older train order or manual block systems.
8. It contained rules for three types of train control : automatic block ( ABS ), manual block ( MBS ), and voice ( VCS ).
9. A manual block system in the United States was implemented by the Pennsylvania Railroad about 1863, a couple of decades before other American railroads began using it.
10. Thus some railroads continued to use disc signals where automatic block signal operation was needed between manual block stations as borne out by period rule books well into the 1920s and beyond.
11. Some railroads, notably the Pennsylvania Railroad ( PRR ), had a system of manual block signals activated by wayside operators in stations or interlocking towers eliminating the need for some trains to stop.
12. Aside from increased capacity and safety compared to a manual block system, another advantage of the single direction ABS system is that it is relatively inexpensive to install and operate, each signaling point requiring only one relay for its own track circuit and one additional relay for each block in its control length.
13. In the USA, the New Haven Railroad Employee Timetable contained such information as : the maximum allowable speeds for different types of locomotives; electrical operating instructions concerning the operation of the AC catenary system and pantographs; designation of on which lines the different types of signalling were operational, e . g . manual block, automatic block and centralized traffic control.
14. This is a form commonly used on railroads such as the LIRR which base its rules on the SCOR . At locations where a " Block-Limit Signal " is displayed in place of a fixed manual block signal, train crews obtain a Clearance Card Form K over the radio or telephone from the operator in charge of that territory, which allows that train to pass that Block-Limit as though it displayed a " Clear-Block ".