软岩巷道支护
soft rock roadway support
巷道支护设计
supporting design of mine roadways
巷道支护效果
Supporting Effect of Roadway
胆道支架
self-release endobiliary stent
Endobiliary stent
Biliary stenting
biliary stents
Metallic stent
Biliary tract stand
malignant biliary obstruction
biliary stent
独立式管道支架
free standing pipe support
独立式架空管道支架
free-standing overhead-pipe support
经内镜逆行胆道支架置入术
endoscopic retrograde biliary stenting
经皮经肝穿刺胆道支架置入术
percutaneous transhepatic biliary stenting
可膨式金属胆道支架
expandable metal biliary stent