基本解释髁切断术同根派生 英汉例句Condylotomy of mandible 下颌骨髁部切开术blind Gigli saw condylotomy 盲法线锯髁突截开术Open condylotomy of mandible 下颌骨开放性髁切开术Closed condylotomy of mandible 下颌骨闭合性髁切开术