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单词
aitken dust counter
释义
Aitken dust counter
Aitken dust counter
[
¦āt·kən ′dəst ‚kau̇nt·ər
]
(engineering)
An instrument for determining the dust content of the atmosphere. Also known as Aitken nucleus counter.
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更新时间:2024/11/12 3:24:11