act of soil and water conservation_土壤学英汉词典
act of soil and water conservation
[土壤学英汉词典]
act of soil and water conservation水土保持工作条例
国家制定和颁布的实施水土保持具体规定和细则。
是什么意思，act of soil and water conservation的解释，act of soil and water conservation的翻译
