名词
中文翻译：闭孔结构
同义词：
['closed system', 'closed container', 'sealed cell']
例句：
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1. The closedcell foam is used in the construction of buildings to reduce noise.
这种闭孔泡沫被用于建筑中，以减少噪音。
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2.The closed cell foam was used as a cushioning material in the car's suspension system.
这种闭孔泡沫被用作汽车悬挂系统的减震材料。
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3. The closed cell foam was used as a thermal insulation material in the building's walls.
这种闭孔泡沫被用作建筑物墙壁的隔热材料。