In company with the deepness of soil deepen, mostly indices of tap water and recycled water wear off, therefore rainwater diverse.
In company with the deepness of soil deepen, mostly indices of tap water and recycled water wear off, therefore rainwater diverse.
自来水与再生水大部分指标，随着土壤深度的加深而逐渐减弱，而雨水则正好相反。