短语词组短语cellular neoprene rubber 泡沫氯丁橡胶cellular r rubber 泡沫橡胶;海棉橡胶Cellular rubber and plastics 泡沫橡胶和塑料micro -cellular rubber 微孔橡胶Closed Cellular Rubber 闭式海棉butyl rubber cellular 蜂巢式丁基橡胶 返回 cellular rubber