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Roughing line
A line running from a mechanical pump to a vacuum chamber through which preliminary pumping is conducted to a vacuum range at which a diffusion pump or other high vacuum pump can operate.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Fire safety
- Category: Prevention & protection
- Company: NFPA
- Product:
- Acronym-Abbreviation:
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