前进方向左前轮  forward left front wheel

前左主轴承盖螺栓  front left main bearing cap bolt

胃左/左膈下动脉  Left Gastric Artery and Left Inferior Phrenic Artery

小左前开胸手术  internal mammary artery

胸部左前外侧小切口  Left anteriokteral minor thoracotomy

枕左前  LOA left occipito anterior

左前  port forward; LF Left Front

左前半分支传导阻滞  Britania metal

左前边  left front side

左前部的大小范围  left front dimension

左前方  sinistrocephalad; front-left; lh front

左前分支阻滞  LAH; Left anterior fascicular block

左前杆外伸部  left front rod extension

左前工作面  left front face

左前降支  Anterior descending artery; left anterior descending coronary artery

左前降支病变  left anterior descending artery lesion

左前降枝动脉  left anterior descending artery

左前角  left hand front corner

左前襟  Arthoplasty

左前肋间静脉  intercostal vein; left superior