Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/01c266b4fff1139f3756ac6170b8c724.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 intensive pig farming例句_intensive pig farming英汉例句_intensive pig farming双解例句_骑士汉英词典
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