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摘要:Section Beams are made of steel and they have a specific lengths and shapesSection beam like I-b[阅读全文]
摘要:T-beamA T-beam, used in construction, is a load-bearing structure of reinforced concrete, wood or met[阅读全文]
摘要:I-beams (also known as H-beams, W-beams (for "wide flange"), rolled steel joist (RSJ), or double-T[阅读全文]
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