coal drop

listen to the pronunciation of coal drop
الإنجليزية - الإنجليزية
An elevated railway track designed to allow material to fall freely between the rails onto the ground beneath. It is used to rapidly unload hoppers containing coal and other bulk materials.Ellis, Iain (2006). Ellis' British Railway Engineering Encyclopaedia. Lulu. page 70. ISBN 978-1-84728-643-7
coal drops
plural form of coal drop
coal drop
المفضلات