英语词汇“frost line”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	frost line
释义	frost line noun North American The maximum depth of ground below which the soil does not freeze in winter.You could completely solve this problem by preparing a foundation for your pad that would extend down into the soil below the frost line, but this isn't practical for a pad of any size.... Install small-diameter pipes below the frost line to prevent freezing. In the fall, they move down in the soil, usually below the frost line, to spend the winter.
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