As each year's snow accumulation 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。
In many areas, where snow has continued falling for several days, the accumulation has been described as the heaviest in as many as five decades.
在许多地区,大雪已连续下了很多天,积雪被称为五十年来最严重的一次。
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snow accumulation and horizontal seismic load.
且考虑了屋面活载不均匀效应、雪压堆积效应和水平地震作用的影响,荷载组合复杂。
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