water meters 水表
Concentrated water meters 集中水表间
Cold-Water Meters - Multijet Type 多喷嘴式冷水表
Water-resistant to 30 meters 防水深度达30米
Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.
地质学家认为,这个具有流体化喷出物的陨石坑表明,在地表下几米深处有一层永久冻土层或水冰。
Typically, though, the water table may be tens or hundreds of meters below the surface.
不过一般来讲,地下水位可能会位于地表以下数十或数百米。
New estimates of the water reserves go up to 2,700 billion cubic meters of fresh water.
据最新估计,淡水储量将达到2.7万亿立方米。
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