Warning: file_put_contents(): Only 0 of 6498 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.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_魏碑心思朗文词典
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。