highway deicing salts 中文意思是什麼
highway deicing salts
解釋
公路防凍鹽-
The problem the snow causes influences the people ' s lives and impedes the economic development. meanwhile the transportation infrastructure such as highway intercity and airstrip needs a great amount of deicing salts to maintain the bare road. therefore from 1980s, many areas and countries such as north american, north europe, japan have greater and greater demands on the deicing salts, about 20 million tons per year, only japan needs 200 to 300 thousand tons per year
在我國和世界上許多國家的高寒地區，冬季冰雪已成為嚴重的公害，積雪引起的問題不僅給當地人民的生活帶來困難，而且阻礙經濟的發展；此外，城市高速公路，機場飛機跑道等交通設施對冬季除冰劑的使用也日益迫切，因此，九十年代以來，北美、北歐、日本等多雪地區和國家，對融雪產品的需求量與日俱增，年需求量在2000萬噸左右，其中僅日本就需20 30萬噸。
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