mechanical aid机械辅助器
mechanicaladj.机械的;力学的;呆板的
mechanical seal specification机械密封规格
mechanical salt-cake furnace机动盐饼炉
mechanical phonograph recorder[电] 机械留声机记录器
mechanical property of fatigue疲劳力学性质
mechanical self-adaptability机械自适应
mechanically tunable magnetron机械调谐磁控管
mechanical screw batch charger螺旋加料机
mechanical foundation teaching机械制图