方材
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hollow square beam 空心方钢犁梁
cosecant-square beam antenna 余割平方射束天线
beam square 横梁角尺 ; 角尺
square beam of thin wall 方形薄壁梁
square concrete-filled steel tube beam-columns 方钢管混凝土压弯构件
·2,447,543篇论文数据，部分数据来源于NoteExpress
The luxury apartment, located on East First Street, is a 3, 700 square foot triple penthouse with 11-foot beam ceilings.
FORBES: Dr. Doom Bullish On Housing? Roubini Buys a $5.5 Million Manhattan Condo
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