| 摘要 |
In an apparatus for mixing in given proportions two media, such as gases or liquids, the pressure of each said media is reduced to a working pressure by a respective regulator. The media from the regulators pass through a mixing means to a common mixing chamber through two gaps each of which is individual to a respective medium. The relationship between the length of the two gaps can be adjusted by means operative to control the proportions of the media in said mixture and the regulators are arranged to be controlled in a manner such that the pressures of the media before the gaps are held mutually equal.
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