positive pressure respirator
正压呼吸器
Q16：What is the shelf life of 3M's filtering facepiece respirators?
问16：3M随弃式呼吸防护口罩的存放期是多长时间？
The doctor prescribed a respirator for the patient with breathing difficulties.
医生给呼吸困难的病人开了一个呼吸器。
During the pandemic, many healthcare workers wore respirators to protect themselves.
在大流行期间，许多医护人员戴着呼吸器保护自己。
The firefighter put on his respirator before entering the burning building.
消防员在进入着火的建筑物前戴上了呼吸器。
Industrial workers are required to wear respirators in hazardous environments.
工业工人在危险环境中被要求戴上呼吸器。
The scuba diver adjusted her respirator before diving into the ocean.
潜水员在潜入海洋前调整她的呼吸器。
The hospital had to stock up on respirators due to the increase in respiratory illnesses.
由于呼吸系统疾病增加，医院不得不储备呼吸器。
The construction worker wore a respirator to protect himself from inhaling dust and fumes.
建筑工人戴着呼吸器以保护自己不吸入灰尘和烟雾。
Respirators are essential safety equipment for workers in environments with poor air quality.
呼吸器是环境空气质量较差工人的必要安全装备。
Some people find it uncomfortable to wear a respirator for long periods of time.
有些人发现长时间戴呼吸器不舒服。
The military personnel were trained on how to properly use a respirator in case of a chemical attack.
军事人员接受了如何在化学攻击发生时正确使用呼吸器的训练。
positive pressure respirator
正压呼吸器
Q16：What is the shelf life of 3M's filtering facepiece respirators?
问16：3M随弃式呼吸防护口罩的存放期是多长时间？
The doctor prescribed a respirator for the patient with breathing difficulties.
医生给呼吸困难的病人开了一个呼吸器。
During the pandemic, many healthcare workers wore respirators to protect themselves.
在大流行期间，许多医护人员戴着呼吸器保护自己。
The firefighter put on his respirator before entering the burning building.
消防员在进入着火的建筑物前戴上了呼吸器。
Industrial workers are required to wear respirators in hazardous environments.
工业工人在危险环境中被要求戴上呼吸器。
The scuba diver adjusted her respirator before diving into the ocean.
潜水员在潜入海洋前调整她的呼吸器。
The hospital had to stock up on respirators due to the increase in respiratory illnesses.
由于呼吸系统疾病增加，医院不得不储备呼吸器。
The construction worker wore a respirator to protect himself from inhaling dust and fumes.
建筑工人戴着呼吸器以保护自己不吸入灰尘和烟雾。
Respirators are essential safety equipment for workers in environments with poor air quality.
呼吸器是环境空气质量较差工人的必要安全装备。
Some people find it uncomfortable to wear a respirator for long periods of time.
有些人发现长时间戴呼吸器不舒服。
The military personnel were trained on how to properly use a respirator in case of a chemical attack.
军事人员接受了如何在化学攻击发生时正确使用呼吸器的训练。
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