短語詞組短語natural rock asphalt 瀝青巖;天然瀝青natural l asphalt 天然瀝青Natural lake asphalt 天然湖瀝青NATURAL BITUMEN AND ASPHALT 油鑛産品natural mixture of asphalt 天然瀝青混郃物TLA natural asphalt TLA 天然瀝青natural l rock asphalt 瀝青巖asphalt natural capacity 瀝青性能 返回 natural asphalt