短语词组短語nail -extractor 起釘鉗nail extractor adapter 骨釘拔出器接頭bone nail extractor 骨釘拔出器;骨髓針拔出器nail extractor tack claw 拔釘器intramedullary nail extractor 骨髓針拔出器claw nail extractor nail puller 起釘器 返回 nail extractor