“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	light curve lightcycler light cylinder light/dark box test light day light deflector light dependent resistor light design light detection light detection and ranging light diesel fuel light diffusion light directed in situ synthesis light-directed in situ synthesis light distillate light distillate oil light distribution light-duty light duty diesel engine light-duty maintenance machinery light duty motor trolley light echo light element light element abundance light emission

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