| 单词 |
radiation vacuum gage |
| 释义 |
radiation vacuum gage radiation vacuum gage[‚rād·ē′ā·shən ′vak·yəm ‚gāj] (engineering) Vacuum (reduced-pressure) measurement device in which gas ionization from an alpha source of radiation varies measurably with changes in the density (molecular concentration) of the gas being measured. |
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