| 单词 | ridge beam |
| 释义 | > as lemmasridge beam ridge beam n. ΚΠ 1578 J. Banister Hist. Man i. f. 17v (margin) The composition of the Vertebres compared to the ridgbeame of a shippe. 1798 P. J. Laborie Coffee Planter of St. Domingo i. 16 Two forked stakes, twelve or fifteen feet high, sunk three feet into the ground, support a ridge beam. 1875 E. H. Knight Amer. Mech. Dict. III. 1939/1 Ridge-beam, a beam at the upper ends of the rafters beneath the ridge. 1987 O. S. Card Seventh Son (1988) vi. 36 Right up against the building, most of the men were tying ropes to the north half of the ridgebeam. < as lemmas |
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