noun
or bumping trough
: a suspended chute or trough along which broken ore or coal is conveyed by a longitudinal reciprocating action that terminates on the forward stroke with a bump
noun
or bumping trough
: a suspended chute or trough along which broken ore or coal is conveyed by a longitudinal reciprocating action that terminates on the forward stroke with a bump
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012