In north cold area pavement is usually distressed because of heave factor, and the base may reduce water heave function and increase pavement service life.
北方寒冷地区路面损坏主要是由于冻胀等因素引起的，这种基层可以减小水分的冻胀作用，增加路面使用寿命。
This would give an additional boost to the net exports of distressed regions within the euro area, amplifying the remedial role of depreciation.
这将额外地拉动欧元区内陷入困境地区的净出口，从而扩大货币贬值的功效。
This would give an additional boost to the net exports of distressed regions within the euro area, amplifying the remedial role of depreciation.
这将额外地拉动欧元区内陷入困境地区的净出口，从而扩大货币贬值的功效。
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