portaobjetivo rotatorio
/pˌoɾtaˌoβxetˈiβo rˌotatˈoɾjo/
n
English: revolving nosepiece · 换镜旋座
Significado：Rotating plate to which objectives of different powers are fixed to allow them to be used in succession during a study.
English: revolving nosepiece · 换镜旋座