plate-gear盘齿轮
butterfly plate angling gear鲳鱼板钓具
guide plate of gear rack齿条导向板
index plate gear分度盘齿轮
index x plate gear分度盘齿轮
ring-plate gear reducer环板式减速器
three-plate compensation cylindrical gear三片式组合圆柱齿轮
gear plate齿盘
change gear plate挂轮架;详细翻译