该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter suit oxygen, ethine, hydrogen and other pressure decompress installment, has decompress and pressure function.
该仪表适用于氧气、乙炔、氢气等高压所瓶的减压装置，有降压和稳压两种作用。
This meter is suit oxygen, ethine, hydrogen and other high pressure decompress installment, has decompress and stead pressure function.
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