多孔无机材料
porous inorganic materials
含圆孔无限大域
infinite region containing a circular hole
经闭孔无张力尿道中段悬吊术
Transobturaor tension-free vaginal tape
经闭孔无张力性尿道中段悬吊术
Tension free vaginal tape through obturator
九孔无影灯
nine holes shadowless lamp
shadowless lamp with nine reflectors
立式四孔无影手术灯
shadowless operating lamp with 4 reflectors stand type
食淀粉无孔小咽线虫
Aporcelaimellus amylovorus
微孔无机膜
microporous-inorganic membrane