获取独家产品信息,尽享促销优惠!立即订阅,不容错过
* 限···时··优惠
A Brittle Coating on a 2,200-Year-Old Roman Shipwreck Reveals How Ancient Sailors Kept Their Ships Afloat
船只上保存的松焦油和蜂蜡痕迹揭示了数千年前造船匠用来保护船只免受海水侵蚀的精细技术