internal gas体内废气internaladj.国内的；内部的；身内的internal and extemal network内外网internal compression portion内压缩通道internal audit in university高校内部审计internal short circuit fault内部故障internally generated revenue内部收入Internal derangement of knee膝关节内紊乱internal-combustion enginen.内燃机internal curative department内科internal address translation内部地址翻译internal-radiation therapy内照射治疗