acoustic insulating and sound-dampening materials
... 软管总成用辐射热保护产品 (Thermal and mechanical protection of hose assemblies) 隔音材料 (Acoustic insulating and sound-dampening materials) -照明 (Lighting) ...
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acoustic insulating and sound-dampening materials
隔音和吸音材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。