underseal
vt. （为防尘）密封（汽车）底部
n. 底封
同义词
n.
undercoat
英文解释
n.
1.seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to
网络释义
underseal
底封; 防蚀涂层; 防蚀涂层 底封;