strain·ing beam 
(strānĭng)
(strānĭng)n.
A horizontal beam separating the tops of two queen posts in a truss. Also called straining piece.
| 单词 | straining beam |
| 释义 | strain·ing beam (strānĭng)n. A horizontal beam separating the tops of two queen posts in a truss. Also called straining piece. |
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