| vacuum |
Pulling out air and going below atmospheric pressure. Usually achieved via a pump and sealed chamber.
출처: www.acrystal-scandinavia.com/Ordliste.htm
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|---|---|
| vacuum |
A space where the pressure is significantly below that of standard atmospheric pressure.
출처: www.sunechocorp.com/Dictionary_of_HVAC_Terms.htm
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| vacuum |
A cleaning device moved along pool and spa walls and floors that suck up the dirt and passes it directly to the filter or a spot outside the pool and spa.
출처: www.dadelandpool.com/vocab.html
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| vacuum |
removal or evacuation of air and gas from a given space.
출처: www.solvent--recycling.com/glossary.htm
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| vacuum |
The absence of matter. Period. - Requires an "Arena of Space."
출처: www.allnewuniverse.com/glossary.html
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