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Locomotive
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Locomotive, английский
A single item of rollingstock that is self-propelled and which may contain a driver.
Locomotive, английский
A vehicle propelled by its own motive power to run on rails and which is used for the haulage of wagons/or other rolling stock, but does not include vehicles used solely for the maintenance or inspection of the rail track.
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Locomotive, английский
A single item of rollingstock that is self-propelled and which may contain a driver.
Transverse defect, английский
A single isolated transverse internal defect that occurs within the head of rail. the remaining rail length between adjacent welds should be checked ultrasonically for other transverse defects. if these are present then the defect should be treated as a multiple transverse defect (tm). see "multiple transverse defect". the origin of this defect is an imperfection in the steel, eg. a shatter crack, minute inclusion, or an internal longitudinal seam or segregation. impact of the wheels and bending stresses start the growth of a transverse separation around the imperfection. visual detection is only possible after the defect has reached the surface. rail breakage almost always occurs before the defect becomes visible.
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