低位肠的克隆氏病lower intestinal Crohn's disease
双面定厚砂光机upper-lower sanding-ga(u)ging machine【木】
右下腹right lower quadrant
大腿(下肢)upper leg (lower cxtremity )
下唇静脉inferior labial vein【解剖】;veins of lower lip【解剖】;venae labiales inferiores【解剖】
【计】 偏小近似值lower approximate value
下牙床lower tooth bed
下颌;下颚lower jaw