被争论优质饮用水供应土地是有限的。

It has been argued that the supply of good land is limited.

youdao

纳滤膜分离技术在饮用水制备方面具有独特的作用，是制备优质饮用水的有效方法。

Nanofiltration membrane separation technology is an effective method for production of high quality drinking water.

youdao

纳滤膜分离技术在饮用水制备方面具有独特的作用，是制备优质饮用水的有效方法。

Nanofiltration membrane separation technology is an effective method for production of high quality drinking water.

youdao