| 单词 |
radioactive thickness gage |
| 释义 |
radioactive thickness gage radioactive thickness gage[¦rād·ē·ō′ak·tiv ′thik·nəs ‚gāj] (nucleonics) An instrument for measuring the thickness of the metal wall of a pipe or tank from one side, by directing a beam of γ-rays through the wall at an angle and measuring the amount of backscattering with a radiation detector. |
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