Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/067ed2d259a3606445f34d6e7dbb8ad1.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 vacuation是什么意思，vacuation的翻译，vacuation音标、读音、用法和例句_贰靶汉英词典
The filter integrates two stages of coarse filters and one stage of fine filter, as well as a de-dust device by exhaust gas vacuation. 该滤清器由两级粗过滤器和一级精滤器集合而成，并带有废气引射抽尘装置。