The irrigation water quality: 86.9% of the bases is at clean level, 10.5% is good, and 2.6% is polluted. The soil environmental quality;是什么意思_The irrigation water quality: 86.9% of the bases is at clean level, 10.5% is good, and 2.6% is polluted. The soil environmental quality;在线翻译_英语_读音_用法_例句