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单词 Johansson block
释义

Johansson block

noun

Jo·​hans·​son block
(ˈ)jō¦han(t)sən-
: one of a set of gage blocks ground to an accuracy of one hundred-thousandth of an inch or better

called also Jo block

Word History

Etymology

after C. E. Johannson, 20th century Swedish engineer

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更新时间:2024/9/20 19:57:46