多年冻土区
例句与用法
- By comparing and analysing the computed results and the change of the raised permafrost table , a concl usion is gived that the roadbed with insulations on the permafrost protects the permafrost well under itself , and the rational position and thickness for insulation were suggested
通过对计算结果和多年冻土上限变化的分析比较,得出了在多年冻土区路基中铺设保温材料对路基面下多年冻土具有明显的保护作用,总结出在多年冻土区路基工程中铺设保温层的合理厚度与位置。