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I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross-section. I-beams are divided into ordinary I-beams and light I-beams. It is a section steel with an I-shaped cross-section.
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I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross-section. I-beams are divided into ordinary I-beams and light I-beams. It is a section steel with an I-shaped cross-section.
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I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross-section. I-beams are divided into ordinary I-beams and light I-beams. It is a section steel with an I-shaped cross-section.
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I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross-section. I-beams are divided into ordinary I-beams and light I-beams. It is a section steel with an I-shaped cross-section.
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I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross-section. I-beams are divided into ordinary I-beams and light I-beams. It is a section steel with an I-shaped cross-section.
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I-beam, also known as steel beam (English name Universal Beam), is a long steel bar with an I-shaped cross-section. I-beams are divided into ordinary I-beams and light I-beams. It is a section steel with an I-shaped cross-section.