Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/2229ca167e27e97f95069fd99d0d1d37.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 pollution-free例句_pollution-free英汉例句_pollution-free双解例句_食材铺反向词典
Respirators should only be removed when the wearer is in an area that is considered free of airborne hazards, including confirmed or suspected influenza patients. 呼吸防护口罩只能在无污染的环境中，包括无确诊或疑似流感病人的环境中摘除。