Warning: file_put_contents(): Only 0 of 7405 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 intensive pig farming是什么意思，intensive pig farming的翻译，intensive pig farming音标、读音、用法和例句_开心英文字典_柠咚词
At present, resources and environment become bottleneck constraints of the large-scale and intensive development in pig farming industry. 我国养猪业正向着规模化、集约化方向发展，但遇到了资源环境双重瓶颈约束。 kns50.chkd.cnki.net