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单词 bird's-mouth
释义

Bird's-mouth


Bird's-mouth`


n.1.(Arch.) An interior angle or notch cut across a piece of timber, for the reception of the edge of another, as that in a rafter to be laid on a plate; - commonly called crow's-foot in the United States.

bird's-mouth


bird’s-mouth

1. A notch cut across the grain at one end of a timber for its reception on the edge of another piece, such as a wall plate. 2. The angle between two components, usually between 90 and 180 degrees.
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更新时间:2024/11/12 3:58:34