| 单词 | straining-beam |
| 释义 | > as lemmasstraining-beam straining-beam n. (see quot. 1825). ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > parts of building > framework of building > [noun] > roof-beam > other roof supports soulace1374 forkc1420 sispar1532 bougars1568 straining-beama1805 straining-piecea1805 straining-silla1805 hip truss1850 roost1880 shoulder-wedge1887 main tie1915 a1805 J. Robison Syst. Mech. Philos. (1822) I. 545 The straining beam and the trussbeam above it. 1825 ‘J. Nicholson’ Operative Mechanic 572 Straining-beam; a piece of timber placed between two others, called queen-posts, at their upper ends, in order to withstand the thrust of the principal rafters. < as lemmas |
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