“road in permafrost region”的概念、定义、翻译、参考文献-科学参考

单词	road in permafrost region
释义	road in permafrost region Encyclopedia 工学〔特殊地区筑路〕释 road in permafrost region多年冻土地区道路在土温低于摄氏零度和具有地下冰的条件下，地下形成一层能持续多年保持冻结状态的土称多年冻土。
随便看	Har Dayal hard base hard binary hard branch cutting hard bubble hard capsules hard carbon hard carbon anode hard-clipped auto-correlation hard-clipped auto-correlator hard condition resistant fiber hard control hardcopy hard corals hard core hardcover hard-cover binding line hardcover book hard crown-glass hard cutting hard decision hard dense loops hard direction hard direction for magnetization hard direction of magnetization

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