laws and regulations of soil and water conservation_土壤学英汉词典
laws and regulations of soil and water conservation
[土壤学英汉词典]
laws and regulations of soil and water conservation水土保持法规
国家制定和颁布的“水土保持工作条例”、“水土保持纲要”和“水土保持法”的统称。
是什么意思，laws and regulations of soil and water conservation的解释，laws and regulations of soil and water conservation的翻译
