conservancy district
[水利英汉词典]
conservancy districtn.保护区
是什么意思,conservancy district的解释,conservancy district的翻译
[航海英汉词典] conservancy district
conservancy district
[水利英汉词典]
conservancy district是什么意思,conservancy district的解释,conservancy district的翻译
[航海英汉词典] conservancy district