fixed framed arch构架式固端拱
fixed ammonia arch固定拱
fixed d arch固定拱
Bridge fixed-arch固端拱桥
fixed palatal arch fpa固定式横腭杆
fixed lingual arch固定舌弓
fixed end arch[建] 无铰拱;固定端拱;怎样样进步开铲车手艺无铰拱
Fixed-arch bridge固端拱桥
semi-fixed lingual arch半固定舌弓