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