鼻泪管探通术
probing of lacrimal passage
管子-管板
Tube to Tubesheet
tube to tubesheet auto-GTAW
管子—管板焊缝
the Welds between Tube and Tubesheet
管子管板胀接
expending of tube to tubesheet
鼻泪管插管
chronic dacryocystitis
intubation of lacrimal passage
鼻泪管成形术
nasolacrimal duct reconstruction
鼻泪管开口破膜术
operation of Hasner valve incision