短語詞組短語median dorsal plate 中背板median ventral plate [古生]中腹片anterior median dorsal plate [古生]前中背片posterior median dorsal plate [古生]后中背片second median plate [昆]第二中板;第二翅基中骨片median endothelial cushion plate 中板median plate wingbase 翅基中板posterior median plate 后中骨板first median plate [昆]第一中板 返回 median plate