夹具孔  fixture hole

角度可调钻孔夹具  adjustable angular drill jig

镗孔夹具  boring fixture; Boring

鼻孔内壁  Nostril

鼻内内视镜造口术  intranasal endoscopic marsupialization

闭孔内肌  obturator internus

舱内内龙骨  hold keelson

层内夹层  intraformational bed; intercalation; INTERLAYERS

打内孔  inside perforation

单元内夹层  inside unit layer

弹簧内夹盘前拉杆  front tension bar of internal chuck in spring

弹性内胀式夹具  Elastic expansion fixture

电火花小孔内圆磨床  small hole electrical discharge internal grinding machine

电枢内孔  armature bore

多孔内冲液  multi-hole flushing

范畴内孔  hole in scope

方头内孔输入传动  square female input drive

飞轮壳内孔  inner flywheel housing bore

非圆内孔接头  non-circular hole joint