Crawford泪道置管
Crawford lacrimal intubation system
鼻泪管置硅胶环
Application of silicone ring in nasolacrimal
储罐-波纹管-管道系统
tank bellow pipeline ( TBP ) system
胆道置管引流减压
Bile duct tube drainage and decompression
杆井管道管理
pole and pipeline management
鼓室外耳道置管
Ventilation tube insertion in the middle ear and the external auditory canal
尿道置管术
Operation for catheter placement
水平隧道管道
horizontal tunnel pipeline
主蒸汽管管道压降
pressure drop in steam-generator
经皮输尿管内置管置放
percutaneous ureteral stent placement