In this lecture,the tongue rails as a part of points and switches, determination of its length, switches and their types, crossings, its components and its types has been discussed.
Негізгі бет Lecture 44: Turnouts, Points & Crossings - II
In this lecture,the tongue rails as a part of points and switches, determination of its length, switches and their types, crossings, its components and its types has been discussed.
Пікірлер