名词
中文翻译：梁膜
同义词：
['beam', 'beam diaphragm']
例句：
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1.The beam diaphragm isresponsible for supporting the roof of the building.
梁膜负责支撑建筑物的屋顶。
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2. Thebeam diaphragm is madeof steel and has a thickness of30 cm.
梁膜由钢制成，厚度为30厘米。
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3. The beamdiaphragm is designed toabsorb sound waves and reduce noise pollution.
梁膜设计用来吸收声波，减少噪音污染。