内齿啮合

internal conflict

internal heat

Internal Expulsion and Pain-Relieving Decoction

right internal mammary artery

internal budding, endogenous budding, endogemmy

internal-external upset tubing【油气】

conjoint drive for lift valves and drives for internal-combustion engines

arteria carotis interna【解剖】;internal carotid【解剖】;internal carotid artery【解剖】