water and soil conservation
water and soil conservation
[农学英汉词典]
water and soil conservation水土保持
是什么意思，water and soil conservation的解释，water and soil conservation的翻译
[公路科技英汉词典] water and soil conservation
[农牧林英汉词典] water and soil conservation
[地理学英汉词典] water and soil conservation
[法学英汉词典] water and soil conservation
[环境英汉词典] water and soil conservation
[经贸英汉词典] water and soil conservation