| 单词 | Pirani gage |
| 释义 | Pirani gage [pǝ`rän·ē ´gāj] PHYSICS A thermal conductivity gage (where the thermal conductivity of a gas heated by a hot wire varies with pressure) connected to a Wheatstone bridge to measure the resistance of the hot wire, thus the gas pressure; used to measure pressure from 1 to 10-3 mmHg (133.32 to 0.13332 pascals). |
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