内光电效应检测器

internal jugular vein

internal hexagonal wrench

Internal Expulsion and Pain-Relieving Decoction

internal crack【材】;underbead crack【材】

metallic gasket for self-seal under internal pressure

internal focusing (internal focussing)

internal examination

labyrinthine artery, branch of internal acoustic meatus; 又称“内耳道支”。