短语词组短语seal it up 把它密封seal -up solution 封管液Sleeve - Seal Back UP 密封定位套seal up empty sheel 四周密封内空腔Seal Up For Safekeeping 封存seal up the balcony 封闭阳台Seal up Vehicle 封车Opening To Seal Up 密封开放;打开密封起来 返回 seal up