| 摘要 |
There is presented a gas compressor including a housing defining adjacent first and second chambers in axial alignment, a rod extending through the first chamber and into the second chamber, a tubular projection extending from a first end of the housing into the second chamber, a cylindrically-shaped end portion fixed to the rod and disposed slidably upon the projection and within the second chamber, a piston fixed to the rod and slidably disposed within the first chamber, and conduits for admitting gas to the first chamber, transferring gas from one compression stage to another, and discharging compressed gas from the housing.
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