half-mask respirator
半面罩式呼吸防护器
positive pressured, powered dust respirator
气体供应式滤尘呼吸防护器
Self contained breathing apparatus (SCBA) or positive pressure airline with mask are to be used in oxygen-deficient atmosphere.
"当进入氧气浓度低于19.5%区域时,用自给式呼吸器或接有正压管路式呼吸器的面罩。"
anti-drawning mask
带氧气呼吸器的轻型潜水面罩
Development of Full Mask of FMY Positive Pressure Oxygen Respirator
FMY正压氧气呼吸器全面罩的研制
filtering respiratory protective devise for self-rescue from fire
消防过滤式自救呼吸器
She clutched the mask and breathed short and deep, pantingly, making the respirator click.
她抓住面罩，呼呼地吸气，又短促又深入，弄得呼吸器答答响。
Respiratory Protection:Where the potential for overexposure exists, use a MSHA/NIOSH approved supplied-air respirator
呼吸系统防护：存在过量接触风险时，可佩带经MSHA/NIOSH批准的自给式呼吸器。
semiclosed-circuit mixed-gas scuba
自足式半闭路混合气水下呼吸器
Test method for airflow resistance of respiration of filtering particle respirator.
过滤式防微粒口罩对空气流呼吸阻力的试验方法.
Safety requirement: Hardhats, Safety Glasses, Dust Mask, Face Shield, Ear Muff, and etc.
必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等.
Breathing Apparatus Officer [Fire Services Department]
呼吸器主任〔消防处〕
a protective covering over a mattress to protect it.
套在褥子外面用来保护褥子的防护罩。
General technical requirements for self-inhalation filtertype dust respirator.
自吸过滤式防尘口罩通用技术条件.
The weapons on your fighters may not penetrate the shields.
你们的武器很难穿透他们的防护罩.
Rocket launchers, laser cannons, voiceactivated battle armour.
火箭发射器,激光大炮 声控战斗防护罩
Ensure the guard is in place before operating the machine
将防护罩确实放好後再开机器
The affect of oxygen supply by breather bag-face cover during the early stage of brain regain consciousness
呼吸囊—面罩给氧在早期脑复苏中的作用