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1.The beam envelope is a crucial part of the building's structure.
梁包层是建筑物结构中至关重要的部分。
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2. The engineer carefully measured the beam envelope to ensure its stability.
工程师仔细测量了梁包层以确保其稳定性。
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3. The beam envelope plays a vital role in the structural integrity of the building.
梁包层在建筑物的结构完整性中起着至关重要的作用。