上层滞水带 meaning in Chinese
vadose zone
Examples
- Standard guide for decommissioning of ground water wells , vadose zone monitoring devices , boreholes , and other devices for environmental activities
测定环境放射性物质用地下水井,上层滞水带监测装置,地上凿穿孔及其他设备的交付使用的标准指南
vadose zone