In areas of heavy snowfall, for example, the pitch is steep to prevent the accumulationofsnow on the roof, snow that might eventually find its way into the house as it melts.
例如，多雪地区的斜坡陡，目的是要防止屋顶积雪或最终融化时有可能流人屋内。
2
As each year's snowaccumulation lay on the surface, evaporation and melting caused the snowflakes slowly to lose their feathery points and become tiny grains of ice.
由于每年的雪花积累在表面之上，蒸发和融化使得雪花慢慢失去其羽状尖端而变成微小的冰粒。
3
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snowaccumulation and horizontal seismic load.