左利left handedness
左侧肘关节正侧位Left Elbow Joint AP & LAT
左后足垫left hind foot pad
左旋螺母left-hand threaded nut
左房血栓清除术left atrial thrombectomy
经心尖的左心室旁路transapical left ventricular bypass
左房壁折叠术left atrial wall plication
左边left side【科技】;left-hand side【科技】