sound deadeners 中文意思是什麼
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Overall, the globe rubber industry had revenues of approximately $ 46 billion in 2004 of which 60 % or an estimated $ 27 billion in tires with balance in rubber products such as hose, belts, moldings, sound deadeners, calendered and latex products
大體上說， 2004年全球橡膠工業總收入約為460億美元，其中60 % 、或者說約270億美元，是輪胎產品的收入，其它的是橡膠產品，例如橡膠軟管、皮帶、模型、隔音材料、塗膠及乳膠等產品。
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