词汇	Primary diseases
释义	Primary diseases 原发病
随便看	double-actions double action skull forceps double-action skull forceps double action spring bolt double-action trigger mechanism double-action vane pump double-action vane secondary component double-action variable displacement motor double-action variable displacement pump double activity double-actng valve double act of communication double acts double-acts double-actuation double acute accent double adapter double adapters double adaptor double A/D converter double addition method double additive techniques double address double-address double address instruction