食管穿孔 perforation of esophagus ; [内科] esophageal perforation

穿孔管 [机] perforated pipe

顶管穿孔机 thrust boring machine

二辊轧管机上穿孔 two roll piercing

混凝土穿孔管 concrete perforated pipe

管坯穿孔 piercing of tube blank

HDPE穿孔管 HDPE perforated pipe

外伤性食管穿孔 traumatic perforation of oesophagus

导管分子穿孔 Vessel elements perforation