Intranetn.内部网络；专用网intrapref.在 ... 内部Intrabiventral fissure二腹内裂intragroup competition群内斗争intraepithelial plexus上皮内丛intragranular porosity粒内孔隙度intra-oral bite film口内牙合X线胶片, 口内咬合X线胶片Intraosseous carcinoma骨内癌Intraculminate fissure山顶内裂intra-atrial reentry心房内折返intra-uterine device避孕环Intrapetrosal drainage颞骨岩部内引流