单词	UPVC
释义	UPVCUPVC, uPVC /ˌjuː piː viː ˈsiː/ noun [uncountable] (unplasticized polyvinyl chloride) a type of plastic, used especially to make window frames:  UPVC double-glazed windows
随便看	BP BPO B.P.O.E. bps BR Br. bra brace bracelet bracing bracken bracket brackish Bracknell, Lady brad bradawl Bradbury, Ray Bradford Bradford, Barbara Taylor Bradman, Sir Donald Bradshaw Brady Bunch Brady, Ian brag braggadocio

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