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单词 square-bore
释义

> as lemmas

square-bore
square-bore n. Obsolete (see quot. 1678).
ΚΠ
1678 J. Moxon Mech. Exercises I. iii. 48 The Square-bore is a square Steel point or shank, well temper'd, fitted into a square Socket in an Iron wimble:..its use is to open a hole.
extracted from squareadj.
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更新时间:2024/9/21 11:04:26