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Vacuum pump
A vacuum pump is a mechanical compressor that operates at less than atmospheric pressure. A vacuum pump can be a positive displacement pump that transports a gas load from an inlet port to and outlet, or exahust, port. Vacuum pumps can also work on a momentum transfer[?] principle, cryogenic entrapment[?] principles as well as the positive displacement[?] principal.
Types of Vacuum Pumps
wikipedia.org dumped 2003-03-17 with terodump |
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