单词	haevy freon
释义	haevy freon n.重氟里昂
随便看	covering dimension Covering Dimension of FuzzyTopological Space covering disc covering disease covering disk covering disposition covering document covering domain Covering domain covering ears covering effect covering homotopy regular morphism covering homotopy theorem covering egg covering element covering elements covering engineering covering entry covering, enveloping covering epithelium covering epithelium, lining epithelium covering extensive fields covering factor Covering film covering film between furrows