main tie
Architecture and Civil Engin.
noun
A horizontal tie beam which joins the feet of two principal rafters at the base of a roof truss.
Origin
Early 20th century.
| 单词 | main tie |
| 释义 | main tieArchitecture and Civil Engin. noun A horizontal tie beam which joins the feet of two principal rafters at the base of a roof truss. Origin |
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