Máy b?m màng ?i?n b?m d?u nh?t có c?u t?o g?m 2 ph?n: ??u b?m và ??ng c?. ?? ???? ?????? ???? ??? ?? ?? ???? ?????. ??? ??? ????? ???? ??? ??? ?? ??? ??? ???.Hi! I'm a pilot AI search assistant, listed here to assist you to use OED’s Highly developed search equipment. I can not converse or deliver answers myself, but I can construct sophisti