State leaders spoke highly of weierkang oxygen concentrator at the commercial fair 高交会上国家领导人对维尔康制氧机给予高度评价
Specification for aeromedical portable oxygen concentrator systems - general requirements 航空医疗用便携式氧浓缩器系统规范.一般要求
Discuss reliability controlling system of psa about oxygen concentrator made in china 国产小型医用氧气机变压吸附控制系统的可靠性探讨
In the year of 2000 , another 10 - million - yuan capital was invested in the development and manufacture of oxygen concentrator for family use , meanwhile other researching and developing programs were defined 2000年公司又投入一千多万元,开发生产家用型医用保健制氧机,同时也确定了其它产品的研究开发计划。
700mw water turbine and water turbine generator , and bush of fan , oxygen concentrator , rolling milling , spherical machine , and pump , and the integrated electric ring , fittings of motor 本公司专业生产200mw 600mw汽轮机及汽轮发电机轴瓦550mw 700mw水轮机及水轮发电机轴瓦鼓风机制氧机轧钢机球磨机泵等大型轴瓦以及电机的集电环和配件。
An oxygen concentrator is a device providing oxygen therapy to a patient at minimally to substantially higher concentrations than available in ambient air. They are used as a safer, less expensive, and more convenient alternative to tanks of compressed oxygen.