underseal 详细解释

underseal

['ʌndəsi:l]

vt. 底封(基层处理)
n. 底封

英英释义

名词 underseal:

seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion

同义词:undercoat

补充

undersealunderseal[ˈʌndəsi:l]vt.1.(为防尘)密封(汽车)底部