| 单词 |
spanpiece |
| 释义 |
spanpiece
span´piece (spăn´pēs`)
| n. | 1.(Arch.) The collar of a roof; sparpiece. |
spanpiece
collar beam, spanpiece, sparpiece, top beam, wind beam  collar beam A horizontal member which ties together (and stiffens) two opposite common rafters, usually at a point about halfway up the rafters in a collar beam roof. |
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