respiration valve

基本解釋

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;
本實(shí)用新型有一個(gè)氣鼓，一個(gè)進(jìn)氣量設(shè)定標(biāo)尺，一個(gè)正負(fù)壓力表，一個(gè)呼吸活瓣，一個(gè)面罩；
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When the new valve is started, before the installation, should remove quakeproof matters between the discs, otherwise the respiration will malfunction.
新閥啟用時(shí)，安裝前應(yīng)清除閥盤間防震物，否則呼吸閥將失靈。
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.
本實(shí)用新型是一種高壓鍋用具有呼吸性能和氣壓指示的高壓閥。
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