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A new acoustic enclosure which can be assembled and unassembled convenientely is designed.
设计了一种新型装卸式隔声罩,它由新型蜂窝板结构和新型泡沫吸声材料组成.
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Assemble and unassembled machine is essential mechanical equipment in modern logistics machinery.
装卸搬运机械是现代物流机械中必不可少的机械设备。
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