a railroad depot in a theater of operations where military supplies are unloaded for distribution
the end of the completed track on an unfinished railway
railhead详细解释
rail.head n.（名词）The farthest point on a railroad to which rails have been laid.铁轨末端：铁路上铁轨铺设的最远点A place on a railroad where military supplies are unloaded.铁路末站：铁路上军需品卸货的地方
