轮毂，一轴与另一轴耦合处或一轴与机轮或齿轮楔合处的增大部分

轮毂，一轴与另一轴耦合处或一轴与机轮或齿轮楔合处的增大部分的英文翻译

基本释义

• an enlarged part of a shaft to which another shaft is coupled or to which a wheel or gear is keyed