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单词 straining-sill
释义

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straining-sill
straining-sill n. (also straining-cill) (see quot. 1825).
ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > parts of building > framework of building > [noun] > roof-beam > other roof supports
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a1805 J. Robison Syst. Mech. Philos. (1822) I. 547 The straining sill Q gives a firm abutment to the principal braces.
1825 ‘J. Nicholson’ Operative Mechanic 572 Straining-cill; a piece of timber placed upon the tie-beam at the bottom of two queen-posts, in order to withstand the force of the braces.
extracted from strainingn.
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更新时间:2024/12/24 10:39:08