How A Railway Frog Point Works
159 بار بازدید -
8 سال پیش
-
There is a great deal
There is a great deal of mystery and misconception about just how a frog point actually works. This video reveals all!
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8 سال پیش
در تاریخ 1395/09/14 منتشر شده
است.
159
بـار بازدید شده