| 摘要 |
There is disclosed an improved vacuum assembly for forming a vacuum comprising a vacuum pump having water rings wherein a water stream is injected into the water rings of the vacuum pump and wherein the water stream is comprised of a combined fresh water and a recycled waste water stream and wherein the fresh water stream is used as a motivating force for an eductor for inducing the recycled waste water stream to form the water stream injected into the water rings of the vacuum pump.
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