index gear〔名词〕分度盘,分度齿轮详细»
分度盘compass rose;dividing dial;index plate详细»
分度盘dividing disk;dividing plate详细»
分度盘calibrated dial;dividing disc;dividing disk;graduated dial;index plate详细»
分度盘dividing disc;dividing plate;index plate;indexing disc;indexing plate详细»
分度盘calibrated dial;index plate详细»