Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/92032ccc3e11e4e07d53b42385365c68.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 pollution-free例句_pollution-free英汉例句_pollution-free双解例句_欧米惠必应词典
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。