| 单词 | principal rafter |
| 释义 | principal rafternouna diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest. Origin of principal rafterFirst recorded in 1655–65 Words nearby principal rafterprincipal optic axis, principal parts, principal plane, principal point, principal quantum number, principal rafter, principal value, principate, Príncipe, principium, principle Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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