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   English ⇄
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reyn [rεn] n
gen. 雷恩英制润滑油动力黏度单位，相当于 1/68950 泊
oil 雷恩 (英制绝对黏度单位)
tech. 雷恩 (动力黏度单位)
 English thesaurus
Reyn. abbr.
abbr., chem. Reynolds number
Reyn [rεn] abbr.
abbr., earth.sc. Reynolds number

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