供气调节器
/pɹɪɹˈɪns ˈsɪŋk/
n
English: pressure demand regulator · 供气调节器
English · pressure demand regulatorEspañol · regulador de presiónFrançais · robinet de réglage de débit
释义：Device that reduces air pressure from the cylinder and regulates the flow of air to the mask.