| 释义 |
snow fence
snow fencen. Temporary fencing composed of thin upright slats wired together, used to prevent snow from drifting onto walks or roads.snow fence n (Physical Geography) a portable wire-and-paling fence erected to prevent snow from drifting across a road, drive, ski run, etc snow′ fence`
n. a barrier erected on the windward side of a road, house, barn, etc., serving as a protection from drifting snow. snow fence
snow fence[′snō ‚fens] (civil engineering) An open-slatted board fence usually 4 to 10 feet (1.2 to 3.0 meters) high, placed about 50 feet (15 meters) on the windward side of a railroad track or highway; the fence serves to disrupt the flow of the wind so that the snow is deposited close to the fence on the leeward side, leaving a comparatively clear, protected strip parallel to the fence and slightly farther downwind. snow guard  snow guards (two types) Any device intended to prevent snow from sliding off a sloping roof. |