基本解释[解剖] 弓状线词组短语短语arcuate e line 弓状线arcuate line of pelvis 骨盆弓状线sacral arcuate line 骶孔线arcuate line of ilium 髂骨弓形线;髂骨弓状线highest arcuate line occipital bone 最上项线专业释义医药科学弓状线