“viscous-drag gas-density meter”的概念、定义、翻译、参考文献-科学参考

单词	viscous-drag gas-density meter
释义	viscous-drag gas-density meter [`vis·kǝs ¦drag ¦gas ¦den·sǝd·ē ´mēd·ǝr] ^ENGINEERING A device to measure gas-mixture densities; driven impellers in sample and standard chambers create measurable turbulences (drags) against respective nonrotating impellers.
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