Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/8a37c986db7f6d55aaf7a80682b8b3bd.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 vacuation例句_vacuation英汉例句_vacuation双解例句_甲百汇小鸡词典
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。