demand valve meaning in Chinese
按需活瓣
定值阀门
Examples
- Demand valve keeper , valve
求购真空破坏阀截止阀球阀 - Respiratory protective devices - compressed air line breathing apparatus with demand valve - apparatus with a full mask - requirements , testing , marking
呼吸防护装置.带用量阀的压缩空气管路呼吸装置.全罩式装置.要求检验和标记 - Respiratory protective devices - compressed air line breathing apparatus with demand valve - part 1 : apparatus with a full face mask - requirements , testing , marking ; german version en 14593 - 1 : 2005
呼吸保护装置.带断续供氧阀门的压缩气体管路呼吸装置 - Respiratory protective devices - plug - in connection between lung governed demand valve and facepiece for self - contained open - circuit compressed air breathing apparatus for use by german fire brigade
呼吸保护器.德国消防队用自调需氧量氧气调节阀与独立 - Respiratory protective devices - compressed air line breathing apparatus with demand valve - part 1 : apparatus with a full face mask - requirements , testing , marking
呼吸防护装置.带用量阀的压缩空气管路呼吸装置.第1部分:全罩式面具装置.要求检验和标记