positive crankcase ventilation 曲轴箱强制通风 ; [机] 曲轴箱强制通风装置 ; 曲轴箱强制通风系统
positive pressure ventilation 正压通气 ; 正压换气
Non-invasive positive pressure ventilation 无创正压通气 ; 无创正压机械通气 ; 无创性正压通气
noninvasive positive ventilation 无创正压通气
intermittent positive pressure ventilation 间歇正压通气 ; 间歇正压呼吸 ; 称为间歇正压通气
double level positive ventilation 双水平正压通气
continuous positive pressure ventilation 持续正压通气 ; 连续正压通气
positive crankcase ventilation PCV 曲轴箱强制通风装置 ; 积极式曲轴箱通风系统
Pulmonary edema; Noninvasive positive ventilation; Hypoxemia; Cardiac function; Acute disease.
肺水肿；无创正压通气；低氧血症；心功能；急性病。
JMD Blower Tubing ventilation is one of the most cost-effective means of underground positive ventilation when air must be delivered at a distance from a fan.
当空气必须从风机运送到远处时，JMD吹风机管通风是地下通风最划算的手段之一。
Installing a positive pressurization or ventilation system.
安装正压或正供通风系统。
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