1)perched water level,上层滞水位2)perched water,上层滞水3)vadose zone,上层滞水带4)apparent water table,上层滞水面5)perched water-table,上层滞水水面6)water stagnating between the strata,层闻滞水
用法例句
The influences of perched water on building works in Shangzhan district of Yangquan;