free ground-water的意思|示意

A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.

200年或更久的时间里，一棵巨大的橡树占据了它的土地，投下浓密的树荫，吸收土壤中所有自由水分，打败了所有其他可能成为树冠的树木。

Free to adjust water height and Angle, when clean rough ground, to ensure the cleaning effect.

自由调节水刮高度和角度，在清洁高低不平的地面时，确保清洁效果一致。

The results further our understanding of soil-water interaction under shaking, and provide the data for validating the analytical methods of the seismic response of free ground.

研究结果增强了对振动过程中土-水之间相互作用机理的理解，同时为自由场地震响应分析方法的验证提供了基础数据。

Unlike ground water, rain water does not contain minerals or salts and is free of chemical treatments.

和地下水不同，雨水不含矿物质或盐类，因此无需化学处理。