... statement of cash 现金收支表 sound-insulating board 隔音板 statement of account 对账单；账单 ...
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sound insulating board 隔音板
sound d insulating board 隔音板
The utility model relates to a sound insulating material, in particular to a foamed aluminum board made of a porous aluminum material.
本实用新型涉及一种隔音材料，尤其多孔隙铝质材料制成的泡沫铝板。
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