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单词 johansson block
释义 jo·hans·son block
\(ˈ)jō|han(t)sən-\ noun
Usage: usually capitalized J
Etymology: after C. E. Johannson. 20th century Swedish engineer
: one of a set of gage blocks ground to an accuracy of one hundred-thousandth of an inch or better — called also Jo block
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更新时间:2024/9/24 20:22:22