All-weather respiration valve 全天候呼吸阀
three-way respiration valve 三通呼吸活瓣
two-way respiration valve 二通呼吸活瓣
three-way respiration valve detail 三通呼吸活瓣
bag-valve-mask respiration unit 面罩活瓣呼吸装置
bag-valve-mask respiration umit 面罩活瓣呼吸装置
The utility model comprises an air drum, a setting scale for air inflow, a positive negative pressure gauge, a respiration valve and a face mask;
本实用新型有一个气鼓，一个进气量设定标尺，一个正负压力表，一个呼吸活瓣，一个面罩；
When the new valve is started, before the installation, should remove quakeproof matters between the discs, otherwise the respiration will malfunction.
新阀启用时，安装前应清除阀盘间防震物，否则呼吸阀将失灵。
The utility model relates to a high pressure valve with respiration performance and air pressure indication. The high pressure valve is used on a pressure cooker.
本实用新型是一种高压锅用具有呼吸性能和气压指示的高压阀。
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