expulsionn.驱逐；开除；排气expulsion fuse unit射击式保险器,冲出式熔断丝,冲击式熔断丝expulsion type fuse冲出式熔断器expulsion mechanism驱动机理expulsion efficiency排驱效率expulsion coefficient排烃系数expulsion-fuse unit冲出式熔断器expulsion smoke channel(在熏制室中的)(排)烟道expulsion type arrester吹熄型避雷器expulsion of yin-yang阴阳格拒expulsion and attraction排斥与吸收