揭牌

揭牌	jiē pái	to unveil the plaque for (a school, shop, stadium etc); to inaugurate; to officially open
揭	Jiē	surname Jie
揭	jiē	to take the lid off / to expose / to unmask
牌	pái	signboard; plaque; plate; tablet (CL:块) / brand; trademark (CL:个) / mahjong tile; domino; playing card (CL:张) / (bound form) fixed pattern for lyrics or set melody in classical poetry or music (used in 词牌 and 曲牌)