snow accumulation造句

• The sleeves must cover stems to a point above the greatest expected snow accumulation .
  套筒必須將預計中積雪最高處以上的莖干包裹著。
• It is well known that ice or snow accumulation on the roadway has a great influence on transportation in cold winters
  在冬季，道路積雪或結冰對交通運輸的影響是顯而易見的。
• It's difficult to find snow accumulation in a sentence. 用snow accumulation造句挺難的