Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/217cec99e17005c8d6ea5f561a28afb3.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 settling pit例句_settling pit英汉例句_settling pit双解例句_零六五六深蓝词典
The work principle of inclined pipe and setting device is analyzed, the feasibility in reforming sludge pit by shallow layer settling technology is approached. 分析了斜琯沉澱裝置的工作原理，探討了應用淺層沉澱技術改造撈坑的可行性。