左切刀 left-cut tool ; left hand tool

左切铰刀 left-hand rotation reamer

左旋剪切 left-lateral shear

左旋剪切断层 sinistral shear fault

切换左手武器 LB

左肺心切迹 [解剖] cardiac notch of left lung

左旋切削 left-hand cut

左全肺切除术 left total pneumonectomy

上颌左中切牙 maxillary left central incisor tooth

下颌左中切牙 mandibular left central incisor tooth